diff --git a/horizon/static/framework/widgets/headers/hz-page-header.html b/horizon/static/framework/widgets/headers/hz-page-header.html
index 4b586cf9a7..0172f7128b 100644
--- a/horizon/static/framework/widgets/headers/hz-page-header.html
+++ b/horizon/static/framework/widgets/headers/hz-page-header.html
@@ -1,5 +1,5 @@
-<div class='page-header'>
+<div class="page-header">
   <h1>{$ ::header $}</h1>
   <p>{$ ::description $}</p>
   <ng-transclude></ng-transclude>
-</div>
\ No newline at end of file
+</div>
diff --git a/horizon/static/framework/widgets/metadata/tree/metadata-tree.html b/horizon/static/framework/widgets/metadata/tree/metadata-tree.html
index 185c813469..48263059e3 100644
--- a/horizon/static/framework/widgets/metadata/tree/metadata-tree.html
+++ b/horizon/static/framework/widgets/metadata/tree/metadata-tree.html
@@ -34,7 +34,7 @@
                      ng-model="ctrl.customItem"
                      validate-unique="ctrl.checkNameUnique"/>
               <span class="input-group-btn">
-                <button type='button' class="btn btn-primary"
+                <button type="button" class="btn btn-primary"
                    ng-click="ctrl.tree.addCustom(ctrl.customItem); ctrl.customItem=''"
                    ng-disabled="!ctrl.customItem || customItemForm.$invalid">
                   <span class="fa fa-plus"></span>
diff --git a/horizon/static/framework/widgets/property/hz-resource-property.html b/horizon/static/framework/widgets/property/hz-resource-property.html
index eac545fe66..45762f154a 100644
--- a/horizon/static/framework/widgets/property/hz-resource-property.html
+++ b/horizon/static/framework/widgets/property/hz-resource-property.html
@@ -1,5 +1,5 @@
 <dt>{$ ctrl.config.label $}</dt>
 <dd>
-  <hz-field config='ctrl.config' item='ctrl.item'></hz-field>
+  <hz-field config="ctrl.config" item="ctrl.item"></hz-field>
 </dd>
 
diff --git a/horizon/templates/horizon/_nav_list.html b/horizon/templates/horizon/_nav_list.html
index 2218fc5444..95a2f81822 100644
--- a/horizon/templates/horizon/_nav_list.html
+++ b/horizon/templates/horizon/_nav_list.html
@@ -5,7 +5,7 @@
     {% for component in components %}
       {% if user|has_permissions:component %}
         <li{% if current.slug == component.slug %} class="active"{% endif %}>
-          <a href="{{ component.get_absolute_url }}" tabindex='1'>{{ component.name }}</a>
+          <a href="{{ component.get_absolute_url }}" tabindex="1">{{ component.name }}</a>
         </li>
       {% endif %}
     {% endfor %}
diff --git a/horizon/templates/horizon/_subnav_list.html b/horizon/templates/horizon/_subnav_list.html
index c4d8001503..1dd21fe798 100644
--- a/horizon/templates/horizon/_subnav_list.html
+++ b/horizon/templates/horizon/_subnav_list.html
@@ -10,7 +10,7 @@
         {% for panel in filtered_panels %}
           {% if panel in accessible_panels or current == panel.slug %}
             <li>
-              <a href="{{ panel.get_absolute_url }}" {% if current == panel.slug %}class="active"{% endif %} tabindex='1'>{{ panel.name }}</a>
+              <a href="{{ panel.get_absolute_url }}" {% if current == panel.slug %}class="active"{% endif %} tabindex="1">{{ panel.name }}</a>
             </li>
           {% endif %}
         {% endfor %}
diff --git a/horizon/templates/horizon/client_side/_modal.html b/horizon/templates/horizon/client_side/_modal.html
index 8560e076eb..47b8047186 100644
--- a/horizon/templates/horizon/client_side/_modal.html
+++ b/horizon/templates/horizon/client_side/_modal.html
@@ -7,18 +7,18 @@
 <div class="modal" data-backdrop="[[modal_backdrop]]">
   <div class="modal-dialog">
     <div class="modal-content">
-      <div class='modal-header'>
-        <a class='close' data-dismiss='modal' href="#">
+      <div class="modal-header">
+        <a class="close" data-dismiss="modal" href="#">
           <span class="fa fa-times"></span>
         </a>
         <h3 class="modal-title">[[title]]</h3>
       </div>
-      <div class='modal-body'>
+      <div class="modal-body">
         [[[body]]]
       </div>
-      <div class='modal-footer'>
-        <a href='#' class='btn btn-default cancel' data-dismiss='modal'>[[cancel]]</a>
-        <a href='#' class='btn [[confirmCssClass]]'>[[confirm]]</a>
+      <div class="modal-footer">
+        <a href="#" class="btn btn-default cancel" data-dismiss="modal">[[cancel]]</a>
+        <a href="#" class="btn [[confirmCssClass]]">[[confirm]]</a>
       </div>
     </div>
   </div>
diff --git a/horizon/templates/horizon/common/_data_table.html b/horizon/templates/horizon/common/_data_table.html
index d29ff7c656..38db26fb7b 100644
--- a/horizon/templates/horizon/common/_data_table.html
+++ b/horizon/templates/horizon/common/_data_table.html
@@ -8,7 +8,7 @@
     {% block table_caption %}
       <caption>
         {% if not hidden_title %}
-          <span class='table-title'>{{ table }}</span>
+          <span class="table-title">{{ table }}</span>
         {% endif %}
         {{ table.render_table_actions }}
       </caption>
diff --git a/horizon/templates/horizon/common/_data_table_row_action_row.html b/horizon/templates/horizon/common/_data_table_row_action_row.html
index 2fdbb6ca1a..4cdd834180 100644
--- a/horizon/templates/horizon/common/_data_table_row_action_row.html
+++ b/horizon/templates/horizon/common/_data_table_row_action_row.html
@@ -4,7 +4,7 @@
     {{ action.verbose_name }}
   </button>
 {% else %}
-  <a href='{{ action.bound_url }}' title='{{ action.verbose_name }}' {{ action.attr_string|safe }}>
+  <a href="{{ action.bound_url }}" title="{{ action.verbose_name }}" {{ action.attr_string|safe }}>
     {% if action.icon != None %}<span class="fa fa-{{ action.icon }}"></span> {% endif %}
     {{ action.verbose_name }}
   </a>
diff --git a/horizon/templates/horizon/common/_datepicker.html b/horizon/templates/horizon/common/_datepicker.html
index efac7fdd91..5073761925 100644
--- a/horizon/templates/horizon/common/_datepicker.html
+++ b/horizon/templates/horizon/common/_datepicker.html
@@ -1,7 +1,7 @@
 {% load i18n %}
 
 {% block trimmed %}
-  <div class='input-group date'>
+  <div class="input-group date">
     {{ datepicker_input }}
     <label class="sr-only">{{ datepicker_label }}</label>
       <span class="input-group-addon datepicker-addon">
diff --git a/horizon/templates/horizon/common/_detail_header.html b/horizon/templates/horizon/common/_detail_header.html
index be12cb65fc..db99156f95 100644
--- a/horizon/templates/horizon/common/_detail_header.html
+++ b/horizon/templates/horizon/common/_detail_header.html
@@ -1,4 +1,4 @@
-<div class='page-header detail-header'>
+<div class="page-header detail-header">
   <div class="row">
     <div class="detail-title col-xs-12 col-sm-9">
       <span class="h1 word-wrap">{{ page_title }}</span>
@@ -6,7 +6,7 @@
 
     <div class="detail-actions col-xs-12 col-sm-3 text-right">
       {% if actions %}
-      <form class='detail-actions-form actions_column' action='{{ url }}' method="POST">
+      <form class="detail-actions-form actions_column" action="{{ url }}" method="POST">
         {% csrf_token %}
         {{ actions }}
       </form>
diff --git a/horizon/templates/horizon/common/_domain_page_header.html b/horizon/templates/horizon/common/_domain_page_header.html
index b77ce87c80..149fbf28c8 100644
--- a/horizon/templates/horizon/common/_domain_page_header.html
+++ b/horizon/templates/horizon/common/_domain_page_header.html
@@ -1,6 +1,6 @@
 {% load i18n %}
 {% block page_header %}
-  <div class='page-header'>
+  <div class="page-header">
     <h1>
     {% if 'domain_context_name' in request.session %}
       <em>{% blocktrans with context_name=request.session.domain_context_name %}{{ context_name }}:{% endblocktrans %}</em>
diff --git a/horizon/templates/horizon/common/_form_field.html b/horizon/templates/horizon/common/_form_field.html
index c521fc0d6e..5b3a3b2a8d 100644
--- a/horizon/templates/horizon/common/_form_field.html
+++ b/horizon/templates/horizon/common/_form_field.html
@@ -17,10 +17,10 @@
     <div class="{{ classes.value }} {{ field|wrapper_classes }}">
       {% with add_item_link=field|add_item_url %}
       {% if add_item_link %}
-        <div class='input-group'>
+        <div class="input-group">
           {{ field|add_bootstrap_class }}
           <span class="input-group-btn">
-            <a href="{{ add_item_link }}" data-add-to-field="{{ field.auto_id }}" class='btn btn-default ajax-add ajax-modal'>
+            <a href="{{ add_item_link }}" data-add-to-field="{{ field.auto_id }}" class="btn btn-default ajax-add ajax-modal">
               <span class="fa fa-plus"></span>
             </a>
           </span>
diff --git a/horizon/templates/horizon/common/_page_header.html b/horizon/templates/horizon/common/_page_header.html
index 9491a55acd..ab8585b8b0 100644
--- a/horizon/templates/horizon/common/_page_header.html
+++ b/horizon/templates/horizon/common/_page_header.html
@@ -1,9 +1,9 @@
 {% load i18n %}
 {% block page_header %}
-  <div class='page-header'>
+  <div class="page-header">
     <h1>{{ title }}</h1>
     {% if actions %}
-      <form class='actions_column pull-right' action='{{ url }}' method="POST">
+      <form class="actions_column pull-right" action="{{ url }}" method="POST">
         {% csrf_token %}
         {{ actions }}
       </form>
diff --git a/horizon/templates/horizon/common/_sidebar.html b/horizon/templates/horizon/common/_sidebar.html
index d55251ab59..73aec7bfd4 100644
--- a/horizon/templates/horizon/common/_sidebar.html
+++ b/horizon/templates/horizon/common/_sidebar.html
@@ -1,5 +1,5 @@
 {% load branding horizon i18n %}
 
-<nav id='sidebar'>
+<nav id="sidebar">
   {% horizon_nav %}
 </nav>
diff --git a/horizon/templates/horizon/common/_tab_group.html b/horizon/templates/horizon/common/_tab_group.html
index 8f3aa47fe3..05c062f820 100644
--- a/horizon/templates/horizon/common/_tab_group.html
+++ b/horizon/templates/horizon/common/_tab_group.html
@@ -6,7 +6,7 @@
   <ul id="{{ tab_group.get_id }}" {{ tab_group.attr_string|safe }}>
     {% for tab in tabs %}
     <li {{ tab.attr_string|safe }}>
-      <a href="?{{ tab_group.param_name }}={{ tab.get_id }}" data-toggle="tab" data-target="#{{ tab.get_id }}" data-loaded='{{ tab.load|yesno:"true,false" }}'>{{ tab.name }}</a>
+      <a href="?{{ tab_group.param_name }}={{ tab.get_id }}" data-toggle="tab" data-target="#{{ tab.get_id }}" data-loaded="{{ tab.load|yesno:"true,false" }}">{{ tab.name }}</a>
     </li>
     {% endfor %}
   </ul>
diff --git a/horizon/templates/horizon/jasmine/jasmine.html b/horizon/templates/horizon/jasmine/jasmine.html
index 76573879a7..05ddbe62ca 100644
--- a/horizon/templates/horizon/jasmine/jasmine.html
+++ b/horizon/templates/horizon/jasmine/jasmine.html
@@ -27,7 +27,7 @@
 
   <!-- source files -->
   {% for file in HORIZON_CONFIG.js_files %}
-    <script src='{{ STATIC_URL }}{{ file }}'></script>
+    <script src="{{ STATIC_URL }}{{ file }}"></script>
   {% endfor %}
 
   {% block source %}
@@ -36,7 +36,7 @@
   <!-- test files - mock and spec -->
   {% block spec %}
     {% for file in HORIZON_CONFIG.js_spec_files %}
-      <script src='{{ STATIC_URL }}{{ file }}'></script>
+      <script src="{{ STATIC_URL }}{{ file }}"></script>
     {% endfor %}
   {% endblock %}
 
diff --git a/horizon/templates/horizon/jasmine/jasmine_legacy.html b/horizon/templates/horizon/jasmine/jasmine_legacy.html
index a3a92c601a..6d52326561 100644
--- a/horizon/templates/horizon/jasmine/jasmine_legacy.html
+++ b/horizon/templates/horizon/jasmine/jasmine_legacy.html
@@ -7,17 +7,17 @@
   <script src="{{ STATIC_URL }}bootstrap/js/bootstrap.js"></script>
   <script src="{{ STATIC_URL }}horizon/lib/jquery/jquery.tablesorter.js"></script>
   <script src="{{ STATIC_URL }}horizon/lib/hogan.js"></script>
-  <script src='{{ STATIC_URL }}horizon/lib/jsencrypt/jsencrypt.js'></script>
+  <script src="{{ STATIC_URL }}horizon/lib/jsencrypt/jsencrypt.js"></script>
   <script src="{{ STATIC_URL }}horizon/js/horizon.templates.js"></script>
   <script src="{{ STATIC_URL }}horizon/js/horizon.instances.js"></script>
-  <script src='{{ STATIC_URL }}horizon/js/horizon.tabs.js'></script>
-  <script src='{{ STATIC_URL }}horizon/js/horizon.forms.js'></script>
-  <script src='{{ STATIC_URL }}horizon/js/horizon.formset_table.js'></script>
-  <script src='{{ STATIC_URL }}horizon/js/horizon.messages.js'></script>
-  <script src='{{ STATIC_URL }}horizon/js/horizon.modals.js'></script>
-  <script src='{{ STATIC_URL }}horizon/js/horizon.tables.js'></script>
-  <script src='{{ STATIC_URL }}horizon/js/horizon.quota.js'></script>
-  <script src='{{ STATIC_URL }}horizon/js/horizon.string.js'></script>
+  <script src="{{ STATIC_URL }}horizon/js/horizon.tabs.js"></script>
+  <script src="{{ STATIC_URL }}horizon/js/horizon.forms.js"></script>
+  <script src="{{ STATIC_URL }}horizon/js/horizon.formset_table.js"></script>
+  <script src="{{ STATIC_URL }}horizon/js/horizon.messages.js"></script>
+  <script src="{{ STATIC_URL }}horizon/js/horizon.modals.js"></script>
+  <script src="{{ STATIC_URL }}horizon/js/horizon.tables.js"></script>
+  <script src="{{ STATIC_URL }}horizon/js/horizon.quota.js"></script>
+  <script src="{{ STATIC_URL }}horizon/js/horizon.string.js"></script>
 
   {% include "horizon/client_side/templates.html" %}
 
@@ -94,9 +94,9 @@
           <table id="flavors" class=
           "table table-bordered table-striped datatable">
             <thead>
-              <tr class='table_caption'>
-                <th class='table_header' colspan='8'>
-                  <h3 class='table_title'>Flavors</h3>
+              <tr class="table_caption">
+                <th class="table_header" colspan="8">
+                  <h3 class="table_title">Flavors</h3>
 
                   <div class="table_actions clearfix"></div>
                 </th>
diff --git a/horizon/test/templates/base.html b/horizon/test/templates/base.html
index d3379035eb..4b516276bf 100644
--- a/horizon/test/templates/base.html
+++ b/horizon/test/templates/base.html
@@ -8,15 +8,15 @@
     window.STATIC_URL = '{{ STATIC_URL }}';
     window.WEBROOT = '{{ WEBROOT }}';
   </script>
-    <script src='{{ STATIC_URL }}horizon/lib/jquery/jquery.js' type='text/javascript' charset="utf-8"></script>
-    <script src='{{ STATIC_URL }}horizon/lib/jquery-ui/ui/jquery-ui.js' type='text/javascript' charset="utf-8"></script>
-    <script src='{{ STATIC_URL }}horizon/lib/jquery/jquery-migrate.js' type='text/javascript' charset="utf-8"></script>
+    <script src="{{ STATIC_URL }}horizon/lib/jquery/jquery.js" type="text/javascript" charset="utf-8"></script>
+    <script src="{{ STATIC_URL }}horizon/lib/jquery-ui/ui/jquery-ui.js" type="text/javascript" charset="utf-8"></script>
+    <script src="{{ STATIC_URL }}horizon/lib/jquery/jquery-migrate.js' type="text/javascript" charset="utf-8"></script>
     <script src="{{ STATIC_URL }}horizon/lib/jquery/jquery.tablesorter.js"></script>
     <script src="{{ STATIC_URL }}horizon/lib/angular/angular.js" type="text/javascript" charset="utf-8"></script>
 
-    <script src='{{ STATIC_URL }}horizon/js/horizon.js' type='text/javascript' charset='utf-8'></script>
+    <script src="{{ STATIC_URL }}horizon/js/horizon.js" type="text/javascript" charset="utf-8"></script>
 
-    <script type='text/javascript' charset='utf-8'>
+    <script type="text/javascript" charset="utf-8">
       (function (global) {
         'use strict';
 
@@ -63,9 +63,9 @@
     <script src="{{ STATIC_URL }}horizon/lib/spin.js"></script>
     <script src="{{ STATIC_URL }}horizon/lib/spin.jquery.js"></script>
 
-    <script src='{{ STATIC_URL }}horizon/js/horizon.modals.js'></script>
-    <script src='{{ STATIC_URL }}horizon/js/horizon.tables.js'></script>
-    <script src='{{ STATIC_URL }}horizon/js/horizon.tabs.js'></script>
+    <script src="{{ STATIC_URL }}horizon/js/horizon.modals.js"></script>
+    <script src="{{ STATIC_URL }}horizon/js/horizon.tables.js"></script>
+    <script src="{{ STATIC_URL }}horizon/js/horizon.tabs.js"></script>
 
     <script>
         angular.module('test_app', []).run(updateHorizon);
diff --git a/horizon/test/unit/tables/test_tables.py b/horizon/test/unit/tables/test_tables.py
index d6b4581c22..8a82f9e7e1 100644
--- a/horizon/test/unit/tables/test_tables.py
+++ b/horizon/test/unit/tables/test_tables.py
@@ -713,13 +713,13 @@ class DataTableTests(test.TestCase):
         self.assertContains(resp, update_string, 4)
         self.assertContains(resp, "data-update-interval", 4)
         # Verify no table heading
-        self.assertNotContains(resp, "<h3 class='table_title'")
+        self.assertNotContains(resp, '<h3 class="table_title"')
         # Verify our XSS protection
         self.assertContains(resp, '&lt;strong&gt;evil&lt;/strong&gt;', 1)
         # Hidden Title = False shows the table title
         self.table._meta.hidden_title = False
         resp = http.HttpResponse(self.table.render())
-        self.assertContains(resp, "<span class='table-title'>", 1)
+        self.assertContains(resp, '<span class="table-title">', 1)
 
         # Filter = False hides the search box
         self.table._meta.filter = False
diff --git a/horizon/test/unit/templatetags/test_templatetags.py b/horizon/test/unit/templatetags/test_templatetags.py
index f858e924c3..2f3448b81e 100644
--- a/horizon/test/unit/templatetags/test_templatetags.py
+++ b/horizon/test/unit/templatetags/test_templatetags.py
@@ -139,12 +139,12 @@ class TemplateTagTests(test.TestCase):
         text = "{% horizon_main_nav %}"
         expected = """
                 <div>
-                    <ul class=\"nav nav-tabs\" role=\"tablist\">
+                    <ul class="nav nav-tabs" role="tablist">
                         <li>
-                            <a href=\"/cats/\" tabindex='1'>Cats</a>
+                            <a href="/cats/" tabindex="1">Cats</a>
                         </li>
                         <li>
-                            <a href=\"/dogs/\" tabindex='1'>Dogs</a>
+                            <a href="/dogs/" tabindex="1">Dogs</a>
                         </li>
                     </ul></div>"""
 
diff --git a/openstack_dashboard/contrib/developer/static/dashboard/developer/theme-preview/theme-preview.html b/openstack_dashboard/contrib/developer/static/dashboard/developer/theme-preview/theme-preview.html
index bf19efeee5..eddf798a30 100644
--- a/openstack_dashboard/contrib/developer/static/dashboard/developer/theme-preview/theme-preview.html
+++ b/openstack_dashboard/contrib/developer/static/dashboard/developer/theme-preview/theme-preview.html
@@ -679,7 +679,7 @@
             <div class="form-group">
               <label translate class="col-lg-2 control-label" for="datepicker">Datepicker</label>
               <div class="col-lg-10">
-                <div class='input-group'>
+                <div class="input-group">
                   <input type="text" class="form-control" id="datepicker">
                   <span class="input-group-addon datepicker-addon">
                     <span class="fa fa-calendar"></span>
diff --git a/openstack_dashboard/dashboards/project/instances/templates/instances/_detail_console.html b/openstack_dashboard/dashboards/project/instances/templates/instances/_detail_console.html
index 15cf537015..10cd22586e 100644
--- a/openstack_dashboard/dashboards/project/instances/templates/instances/_detail_console.html
+++ b/openstack_dashboard/dashboards/project/instances/templates/instances/_detail_console.html
@@ -2,7 +2,7 @@
 
 <h3>{% trans "Instance Console" %}</h3>
 {% if console_url %}
-<p class='alert alert-info'>
+<p class="alert alert-info">
 {% if console_type != 'SERIAL' %}
 {% blocktrans %}If console is not responding to keyboard input: click the grey status bar below.{% endblocktrans %}
 {% endif %}
diff --git a/openstack_dashboard/dashboards/project/instances/templates/instances/_instance_flavor.html b/openstack_dashboard/dashboards/project/instances/templates/instances/_instance_flavor.html
index ac2bc4167c..b71600fd0f 100644
--- a/openstack_dashboard/dashboards/project/instances/templates/instances/_instance_flavor.html
+++ b/openstack_dashboard/dashboards/project/instances/templates/instances/_instance_flavor.html
@@ -1,12 +1,12 @@
 {% load i18n %}
 <a href="#" id="flavor_details_{{ id }}" class="link-popover" rel="popover" tabindex="0" data-trigger="focus" data-content="
-<table class='table table-bordered'>
+<table class=&quot;table table-bordered&quot;>
   <tr><th>{% trans 'ID' %}</th><td>{{ flavor_id }}</td></tr>
   <tr><th>{% trans 'VCPUs' %}</th><td>{{ vcpus }}</td></tr>
   <tr><th>{% trans 'RAM' %}</th><td>{{ size_ram }}</td></tr>
   <tr><th>{% trans 'Size' %}</th><td>{{ size_disk }}</td></tr>
 </table>
-" data-original-title="{% blocktrans %}<span class='word-wrap'>Flavor Details: {{ name }}</span>">{{ name }}{% endblocktrans %}</a>
+" data-original-title="{% blocktrans %}<span class=&quot;word-wrap&quot;>Flavor Details: {{ name }}</span>">{{ name }}{% endblocktrans %}</a>
 <script type="text/javascript" charset="utf-8">
 $(function () {
   var $flavor = $("#flavor_details_{{ id }}");
diff --git a/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_graph_view.html b/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_graph_view.html
index da1b2527d8..8f5ab2572d 100644
--- a/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_graph_view.html
+++ b/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_graph_view.html
@@ -1,6 +1,6 @@
 {% load i18n %}
 
-<div class='description'>
+<div class="description">
   {% blocktrans trimmed %}
     Resize the canvas by scrolling up/down with your mouse/trackpad on the topology.
     Pan around the canvas by clicking and dragging the space behind the topology.
diff --git a/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_post_massage.html b/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_post_massage.html
index be1448d66c..053894e3f0 100644
--- a/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_post_massage.html
+++ b/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_post_massage.html
@@ -1,4 +1,4 @@
-<script type='text/javascript'>
+<script type="text/javascript">
 (function(){
   $(window).on('message',function(e){
     var message = JSON.parse(e.originalEvent.data);
diff --git a/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_svg_element.html b/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_svg_element.html
index 2a38b20630..6eb4ccf5df 100644
--- a/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_svg_element.html
+++ b/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/_svg_element.html
@@ -10,7 +10,7 @@
     <pattern id="device_normal_bg_loading" patternUnits="userSpaceOnUse" x="0" y="0" width="20" height="20">
       <g>
         <rect width="20" height="20" class="loading_bg_normal"></rect>
-        <path d='M0 20L20 0ZM22 18L18 22ZM-2 2L2 -2Z' stroke-linecap="square" stroke='rgba(0, 0, 0, 0.3)' stroke-width="7"></path>
+        <path d="M0 20L20 0ZM22 18L18 22ZM-2 2L2 -2Z" stroke-linecap="square" stroke="rgba(0, 0, 0, 0.3)" stroke-width="7"></path>
       </g>
       <animate attributeName="x" attributeType="XML" begin="0s" dur="0.5s" from="0" to="-20" repeatCount="indefinite"></animate>
     </pattern>
@@ -22,7 +22,7 @@
     <pattern id="device_small_bg_loading" patternUnits="userSpaceOnUse" x="0" y="0" width="5" height="5">
       <g>
         <rect width="5" height="5" class="loading_bg_small"></rect>
-        <path d='M0 5L5 0ZM6 4L4 6ZM-1 1L1 -1Z' stroke-linecap="square" stroke='rgba(0, 0, 0, 0.4)' stroke-width="1.5"></path>
+        <path d="M0 5L5 0ZM6 4L4 6ZM-1 1L1 -1Z" stroke-linecap="square" stroke="rgba(0, 0, 0, 0.4)" stroke-width="1.5"></path>
       </g>
       <animate attributeName="x" attributeType="XML" begin="0s" dur="0.5s" from="0" to="-5" repeatCount="indefinite"></animate>
     </pattern>
diff --git a/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/iframe.html b/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/iframe.html
index 63ad0d1145..2b0758fa7a 100644
--- a/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/iframe.html
+++ b/openstack_dashboard/dashboards/project/network_topology/templates/network_topology/iframe.html
@@ -1,8 +1,8 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <meta content='text/html; charset=utf-8' http-equiv='Content-Type' />
-    <script src='{{ STATIC_URL }}horizon/lib/jquery/jquery.js' type='text/javascript' charset="utf-8"></script>
+    <meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
+    <script src="{{ STATIC_URL }}horizon/lib/jquery/jquery.js" type="text/javascript" charset="utf-8"></script>
   </head>
   <body>
     {% include "horizon/_messages.html" %}
diff --git a/openstack_dashboard/dashboards/project/static/dashboard/project/workflow/launch-instance/keypair/keypair.html b/openstack_dashboard/dashboards/project/static/dashboard/project/workflow/launch-instance/keypair/keypair.html
index d1bd5e9588..183c838f5e 100644
--- a/openstack_dashboard/dashboards/project/static/dashboard/project/workflow/launch-instance/keypair/keypair.html
+++ b/openstack_dashboard/dashboards/project/static/dashboard/project/workflow/launch-instance/keypair/keypair.html
@@ -26,7 +26,7 @@
     </hz-dynamic-table>
   </transfer-table> <!-- End Key Pairs Table -->
 
-  <settings-service hz-if-settings='["OPENSTACK_HYPERVISOR_FEATURES.can_set_password"]'>
+  <settings-service hz-if-settings="["OPENSTACK_HYPERVISOR_FEATURES.can_set_password"]">
     <div class="admin-password">
       <div class="themable-checkbox">
         <input ng-change="ctrl.setAdminPasswordChange()"
diff --git a/openstack_dashboard/dashboards/project/static/dashboard/project/workflow/launch-instance/source/source.html b/openstack_dashboard/dashboards/project/static/dashboard/project/workflow/launch-instance/source/source.html
index 32efb82a3f..a9a750792b 100644
--- a/openstack_dashboard/dashboards/project/static/dashboard/project/workflow/launch-instance/source/source.html
+++ b/openstack_dashboard/dashboards/project/static/dashboard/project/workflow/launch-instance/source/source.html
@@ -93,7 +93,7 @@
     </div>
   </div>
 
-  <div hz-if-settings='["OPENSTACK_HYPERVISOR_FEATURES.can_set_mount_point"]'
+  <div hz-if-settings="[&quot;OPENSTACK_HYPERVISOR_FEATURES.can_set_mount_point&quot;]"
     ng-if="model.newInstanceSpec.vol_create === true">
         <label translate>Device Name</label>
         <input class="form-control"
diff --git a/openstack_dashboard/templates/500.html b/openstack_dashboard/templates/500.html
index 7395142976..a63e96ddf7 100644
--- a/openstack_dashboard/templates/500.html
+++ b/openstack_dashboard/templates/500.html
@@ -15,7 +15,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <meta content='text/html; charset=utf-8' http-equiv='Content-Type' />
+    <meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
     <link rel="shortcut icon" href="{% static "dashboard/img/favicon.ico" %}"/>
     <link rel="apple-touch-icon" sizes="180x180" href="{% static 'dashboard/img/apple-touch-icon.png' %}" />
     <link rel="mask-icon" href="{% static 'dashboard/img/safari-pinned-tab.svg' %}" color="#5bbad5" />
diff --git a/openstack_dashboard/templates/_stylesheets.html b/openstack_dashboard/templates/_stylesheets.html
index 6de226f936..98e33114b7 100644
--- a/openstack_dashboard/templates/_stylesheets.html
+++ b/openstack_dashboard/templates/_stylesheets.html
@@ -2,8 +2,8 @@
 {% load themes %}
 
 {% compress css %}
-<link href='{{ STATIC_URL }}horizon/lib/bootstrap_datepicker/datepicker3.css' type='text/css' media='screen' rel='stylesheet' />
-<link href='{{ STATIC_URL }}horizon/lib/rickshaw/rickshaw.css' type='text/css' media='screen' rel='stylesheet' />
+<link href="{{ STATIC_URL }}horizon/lib/bootstrap_datepicker/datepicker3.css" type="text/css" media="screen" rel="stylesheet" />
+<link href="{{ STATIC_URL }}horizon/lib/rickshaw/rickshaw.css" type="text/css" media="screen" rel="stylesheet" />
 {% endcompress %}
 
 
diff --git a/openstack_dashboard/templates/angular/angular_templates.html b/openstack_dashboard/templates/angular/angular_templates.html
index 9fe6c28275..5155e94cdb 100644
--- a/openstack_dashboard/templates/angular/angular_templates.html
+++ b/openstack_dashboard/templates/angular/angular_templates.html
@@ -1,5 +1,5 @@
 {% for static_path, template_html in angular_templates %}
-  <script type='text/javascript' id='{{ static_path }}'>
+  <script type="text/javascript" id="{{ static_path }}">
     {% include 'angular/angular_templates.js' %}
   </script>
 {% endfor %}
diff --git a/openstack_dashboard/templates/base.html b/openstack_dashboard/templates/base.html
index ddc70ffc91..9851a681a5 100644
--- a/openstack_dashboard/templates/base.html
+++ b/openstack_dashboard/templates/base.html
@@ -7,8 +7,8 @@
   <head>
     {% block custom_analytics %}
     {% endblock %}
-    <meta content='IE=edge' http-equiv='X-UA-Compatible' />
-    <meta content='text/html; charset=utf-8' http-equiv='Content-Type' />
+    <meta content="IE=edge" http-equiv="X-UA-Compatible" />
+    <meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
     <meta name="viewport" content="width=device-width, initial-scale=1">
     {% block custom_metadata %}
       {% include "horizon/_custom_meta.html" %}
@@ -26,23 +26,23 @@
     {% endblock %}
     {% block ng_route_base %} {% endblock %}
   </head>
-  <body id="{% block body_id %}{% endblock %}" ng-app='horizon.app' ng-strict-di>
+  <body id="{% block body_id %}{% endblock %}" ng-app="horizon.app" ng-strict-di>
     <noscript>
       <div class="alert alert-danger text-center javascript-disabled">
         {% trans "This application requires JavaScript to be enabled in your web browser." %}
       </div>
     </noscript>
     {% block content %}
-      <div class='topbar'>
+      <div class="topbar">
         {% include "header/_header.html" %}
       </div>
-      <div id='main_content'>
+      <div id="main_content">
         {% include "horizon/_messages.html" %}
         {% block sidebar %}
           {% include 'horizon/common/_sidebar.html' %}
         {% endblock %}
-        <div id='content_body'>
-          <div class='container-fluid'>
+        <div id="content_body">
+          <div class="container-fluid">
             <div class="row">
               <div class="col-xs-12">
                 <div class="page-breadcrumb">
diff --git a/openstack_dashboard/templates/context_selection/_anti_clickjack.html b/openstack_dashboard/templates/context_selection/_anti_clickjack.html
index 62e456830c..725a986eaa 100644
--- a/openstack_dashboard/templates/context_selection/_anti_clickjack.html
+++ b/openstack_dashboard/templates/context_selection/_anti_clickjack.html
@@ -1,7 +1,7 @@
 {% if disallow_iframe_embed %}
   <style id="anti-clickjack">body{display:none !important;}</style>
 
-  <script type='text/javascript' charset="utf-8">
+  <script type="text/javascript" charset="utf-8">
     if (self === top) {
       var antiClickjack = document.getElementById("anti-clickjack");
       antiClickjack.parentNode.removeChild(antiClickjack);
diff --git a/openstack_dashboard/templates/horizon/_conf.html b/openstack_dashboard/templates/horizon/_conf.html
index 631825fb1a..233f329f72 100644
--- a/openstack_dashboard/templates/horizon/_conf.html
+++ b/openstack_dashboard/templates/horizon/_conf.html
@@ -6,12 +6,12 @@
 {% comment %} Compress 3rd-party (jquery, angular, etc) and top-level Horizon JS. {% endcomment %}
 {% compress js %}
 {% for file in HORIZON_CONFIG.xstatic_lib_files %}
-    <script src='{{ STATIC_URL }}{{ file }}'></script>
+    <script src="{{ STATIC_URL }}{{ file }}"></script>
 {% endfor %}
-<script src='{{ STATIC_URL }}horizon/js/horizon.js' type='text/javascript' charset='utf-8'></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.js" type="text/javascript" charset="utf-8"></script>
 {% endcompress %}
 
-<script type='text/javascript' charset='utf-8'>
+<script type="text/javascript" charset="utf-8">
   (function (global) {
     'use strict';
 
diff --git a/openstack_dashboard/templates/horizon/_scripts.html b/openstack_dashboard/templates/horizon/_scripts.html
index a400a2eaba..d857fcd6ca 100644
--- a/openstack_dashboard/templates/horizon/_scripts.html
+++ b/openstack_dashboard/templates/horizon/_scripts.html
@@ -18,44 +18,44 @@
   var WEBROOT = "{{ WEBROOT }}";
 </script>
 <script src="{{ STATIC_URL }}horizon/lib/jquery/jquery.bootstrap.wizard.js"></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.string.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.lists.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.communication.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.datepickers.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.forms.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.formset_table.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.loader.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.messages.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.modals.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.hacks.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.uuid.js'></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.string.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.lists.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.communication.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.datepickers.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.forms.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.formset_table.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.loader.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.messages.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.modals.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.hacks.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.uuid.js"></script>
 <script type="text/javascript">
   horizon.modals.MODAL_BACKDROP = "{% firstof HORIZON_CONFIG.modal_backdrop 'static' %}";
 </script>
 {% if HORIZON_CONFIG.integration_tests_support %}
-<script src='{{ STATIC_URL }}horizon/js/horizon.selenium.js'></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.selenium.js"></script>
 {% endif %}
-<script src='{{ STATIC_URL }}horizon/js/horizon.tables.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.tabs.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.templates.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.users.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.membership.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.d3piechart.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.heattop.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.d3linechart.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.d3barchart.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.sidebar.js'></script>
-<script src='{{ STATIC_URL }}horizon/js/horizon.extensible_header.js'></script>
-<script src='{{ STATIC_URL }}js/horizon.instances.js'></script>
-<script src='{{ STATIC_URL }}js/horizon.quota.js'></script>
-<script src='{{ STATIC_URL }}js/horizon.metering.js'></script>
-<script src='{{ STATIC_URL }}js/horizon.networktopologycommon.js'></script>
-<script src='{{ STATIC_URL }}js/horizon.flatnetworktopology.js'></script>
-<script src='{{ STATIC_URL }}js/horizon.networktopology.js'></script>
-<script src='{{ STATIC_URL }}js/horizon.volumes.js'></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.tables.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.tabs.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.templates.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.users.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.membership.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.d3piechart.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.heattop.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.d3linechart.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.d3barchart.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.sidebar.js"></script>
+<script src="{{ STATIC_URL }}horizon/js/horizon.extensible_header.js"></script>
+<script src="{{ STATIC_URL }}js/horizon.instances.js"></script>
+<script src="{{ STATIC_URL }}js/horizon.quota.js"></script>
+<script src="{{ STATIC_URL }}js/horizon.metering.js"></script>
+<script src="{{ STATIC_URL }}js/horizon.networktopologycommon.js"></script>
+<script src="{{ STATIC_URL }}js/horizon.flatnetworktopology.js"></script>
+<script src="{{ STATIC_URL }}js/horizon.networktopology.js"></script>
+<script src="{{ STATIC_URL }}js/horizon.volumes.js"></script>
 
 {% for file in HORIZON_CONFIG.js_files %}
-    <script src='{{ STATIC_URL }}{{ file }}'></script>
+    <script src="{{ STATIC_URL }}{{ file }}"></script>
 {% endfor %}
 
 {% block custom_js_files %}{% endblock %}
@@ -84,7 +84,7 @@
 
 {% comment %}Locale sensitive js needs to be included outisde the "compress" tag{% endcomment %}
 {% if DATEPICKER_LOCALE and DATEPICKER_LOCALE != 'en' %}
-<script src='{{ STATIC_URL }}horizon/lib/bootstrap_datepicker/locales/bootstrap-datepicker.{{ DATEPICKER_LOCALE }}.js'></script>
+<script src="{{ STATIC_URL }}horizon/lib/bootstrap_datepicker/locales/bootstrap-datepicker.{{ DATEPICKER_LOCALE }}.js"></script>
 {% endif %}
 
 {% comment %}Go!{% endcomment %}
diff --git a/openstack_dashboard/templates/serial_console.html b/openstack_dashboard/templates/serial_console.html
index d1434e7b48..491c90b462 100644
--- a/openstack_dashboard/templates/serial_console.html
+++ b/openstack_dashboard/templates/serial_console.html
@@ -2,25 +2,25 @@
 <!DOCTYPE html>
 <html>
 <head>
-  <meta content='IE=edge' http-equiv='X-UA-Compatible' />
-  <meta content='text/html; charset=utf-8' http-equiv='Content-Type' />
+  <meta content="IE=edge" http-equiv="X-UA-Compatible" />
+  <meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
   <title>{{page_title}}</title>
   {% load compress %}
   {% compress css %}
   <link rel="stylesheet" href="{{ STATIC_URL }}dashboard/scss/serial_console.scss" type="text/scss" media="screen" />
   {% endcompress %}
   <script src="{% url 'horizon:jsi18n' 'horizon' %}"></script>
-  <script src='{{ STATIC_URL }}horizon/lib/termjs/term.js'></script>
+  <script src="{{ STATIC_URL }}horizon/lib/termjs/term.js"></script>
   <script src="{{ STATIC_URL }}horizon/lib/jquery/jquery.js"></script>
   <script src="{{ STATIC_URL }}horizon/lib/angular/angular.js"></script>
   <script src="{{ STATIC_URL }}js/angular/directives/serialConsole.js"></script>
 </head>
-<body ng-app='serialConsoleApp'>
+<body ng-app="serialConsoleApp">
 
     {% if error_message %}
         {{ error_message }}
     {% else %}
-        <serial-console connection='"{{console_url}}"' protocols='{{protocols}}'></serial-console>
+        <serial-console connection="&quot;{{console_url}}&quot;" protocols="{{protocols}}"></serial-console>
     {% endif %}
 
 </body>
diff --git a/openstack_dashboard/themes/example/templates/base.html b/openstack_dashboard/themes/example/templates/base.html
index ee7ab74c8e..337fcd2565 100644
--- a/openstack_dashboard/themes/example/templates/base.html
+++ b/openstack_dashboard/themes/example/templates/base.html
@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 
 {% block custom_analytics %}
-  <script src='{{ STATIC_URL }}/themes/example/js/my_analytics_js.js' type='text/javascript' charset='utf-8'></script>
+  <script src="{{ STATIC_URL }}/themes/example/js/my_analytics_js.js" type="text/javascript" charset="utf-8"></script>
 {% endblock %}
 
 {% block custom_metadata %}
@@ -9,7 +9,7 @@
 {% endblock %}
 
 {% block custom_head_js %}
-  <script src='{{ STATIC_URL }}/themes/example/js/my_custom_js.js' type='text/javascript' charset='utf-8'></script>
+  <script src="{{ STATIC_URL }}/themes/example/js/my_custom_js.js" type="text/javascript" charset="utf-8"></script>
 {% endblock %}
 
 {% block footer %}
diff --git a/openstack_dashboard/themes/material/templates/header/_header.html b/openstack_dashboard/themes/material/templates/header/_header.html
index 07d4bd60dd..f60189c1ef 100644
--- a/openstack_dashboard/themes/material/templates/header/_header.html
+++ b/openstack_dashboard/themes/material/templates/header/_header.html
@@ -17,7 +17,7 @@
           <span class="md-hamburger-layer md-hamburger-menu"></span>
         </button>
         {% theme_dir as theme_dir %}
-        <script src='{{ STATIC_URL }}{{ theme_dir }}/material/js/material.hamburger.js'></script>
+        <script src="{{ STATIC_URL }}{{ theme_dir }}/material/js/material.hamburger.js"></script>
       </div>
       {% include "header/_brand.html" %}
     </div>