diff --git a/doc/api-quick-start/source/conf.py b/doc/api-quick-start/source/conf.py
index 7adb65a3b2..645a93534a 100644
--- a/doc/api-quick-start/source/conf.py
+++ b/doc/api-quick-start/source/conf.py
@@ -95,7 +95,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/common/source/conf.py b/doc/common/source/conf.py
index 1b20e8b404..241b108c1f 100644
--- a/doc/common/source/conf.py
+++ b/doc/common/source/conf.py
@@ -98,7 +98,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/doc-contrib-guide/source/conf.py b/doc/doc-contrib-guide/source/conf.py
index 733b506433..22dbc29ef7 100644
--- a/doc/doc-contrib-guide/source/conf.py
+++ b/doc/doc-contrib-guide/source/conf.py
@@ -104,7 +104,7 @@ exclude_patterns = ['common/app-support.rst', 'common/cli*', 'common/nova*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/glossary/source/conf.py b/doc/glossary/source/conf.py
index eae356fde0..1933d86ab9 100644
--- a/doc/glossary/source/conf.py
+++ b/doc/glossary/source/conf.py
@@ -103,7 +103,7 @@ exclude_patterns = ['common/app-support.rst', 'common/cli*', 'common/nova*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/image-guide/source/conf.py b/doc/image-guide/source/conf.py
index d6e2e24a55..15909b0741 100644
--- a/doc/image-guide/source/conf.py
+++ b/doc/image-guide/source/conf.py
@@ -97,7 +97,7 @@ exclude_patterns = ['common/get-start*', 'common/cli*', 'common/dashboard*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/doc/install-guide/source/conf.py b/doc/install-guide/source/conf.py
index bb9f81cfe6..480d3eb490 100644
--- a/doc/install-guide/source/conf.py
+++ b/doc/install-guide/source/conf.py
@@ -101,7 +101,7 @@ exclude_patterns = [
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 71cb0983e5..7c92a4265d 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -96,7 +96,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []