diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/AbandonedHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/AbandonedHtml.soy
index 0f16890982..bda900b99f 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/AbandonedHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/AbandonedHtml.soy
@@ -39,6 +39,6 @@
   <hr/>
 
   {if $coverLetter}
-    <pre>{$coverLetter}</pre>
+    <pre style="font-size:12px">{$coverLetter}</pre>
   {/if}
 {/template}
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ChangeFooterHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ChangeFooterHtml.soy
index 2476c0dbe5..798acc193e 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ChangeFooterHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ChangeFooterHtml.soy
@@ -28,6 +28,7 @@
 {template .ChangeFooterHtml autoescape="strict" kind="html"}
   {let $footerStyle kind="css"}
     color: #555;
+    font-size: 10px;
     margin: 10px 0 0 0;
   {/let}
 
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/CommentFooterHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/CommentFooterHtml.soy
index 4cfe86b635..f8f6c5ff68 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/CommentFooterHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/CommentFooterHtml.soy
@@ -22,6 +22,7 @@
 {template .CommentFooterHtml autoescape="strict" kind="html"}
   {let $footerStyle kind="css"}
     color: #555;
+    font-size: 10px;
     margin: 0;
   {/let}
 
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/CommentHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/CommentHtml.soy
index 46b06069fa..d55905e92c 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/CommentHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/CommentHtml.soy
@@ -58,7 +58,7 @@
   <hr/>
 
   {if $coverLetter}
-    <pre>{$coverLetter}</pre>
+    <pre style="font-size:12px">{$coverLetter}</pre>
   {/if}
 
   <ul style="{$ulStyle}">
@@ -86,14 +86,14 @@
                   Patch Set #{$group.patchSetId}, Line {$comment.startLine}:{sp}
                 {/if}
                 {if length($comment.lines) == 1}
-                  <code>{$comment.lines[0]}</code>
+                  <code style="font-size:12px">{$comment.lines[0]}</code>
                 {/if}
               </p>
 
               {if length($comment.lines) > 1}
                 <p>
                   <blockquote style="{$blockquoteStyle}">
-                    <pre>
+                    <pre style="font-size:12px">
                       {foreach $line in $comment.lines}
                         {$line}{\n}
                       {/foreach}
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/DeleteReviewerHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/DeleteReviewerHtml.soy
index 2985ef88db..e6830ec001 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/DeleteReviewerHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/DeleteReviewerHtml.soy
@@ -44,6 +44,6 @@
   <hr/>
 
   {if $coverLetter}
-    <pre>{$coverLetter}</pre>
+    <pre style="font-size:12px">{$coverLetter}</pre>
   {/if}
 {/template}
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/DeleteVoteHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/DeleteVoteHtml.soy
index 8aa430ae4a..6d88748ac8 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/DeleteVoteHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/DeleteVoteHtml.soy
@@ -39,6 +39,6 @@
   <hr/>
 
   {if $coverLetter}
-    <pre>{$coverLetter}</pre>
+    <pre style="font-size:12px">{$coverLetter}</pre>
   {/if}
 {/template}
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/MergedHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/MergedHtml.soy
index 33dd7b82a7..083e57d0a2 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/MergedHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/MergedHtml.soy
@@ -37,16 +37,16 @@
   </p>
   <hr/>
 
-  <pre>
+  <pre style="font-size:12px">
     {$email.changeDetail}
   </pre>
 
-  <pre>
+  <pre style="font-size:12px">
     {$email.approvals}
   </pre>
 
   {if $email.includeDiff}
-    <pre>
+    <pre style="font-size:12px">
       {$email.unifiedDiff}
     </pre>
   {/if}
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/NewChangeHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/NewChangeHtml.soy
index fda960d1d9..95ee41d79c 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/NewChangeHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/NewChangeHtml.soy
@@ -59,19 +59,19 @@
   </p>
   <hr/>
 
-  <pre>
+  <pre style="font-size:12px">
     {$email.changeDetail}
   </pre>
 
   {if $email.sshHost}
-    <pre>
+    <pre style="font-size:12px">
       git pull ssh:{print '//'}{$email.sshHost}/{$projectName}
           {sp}{$patchSet.refName}
     </pre>
   {/if}
 
   {if $email.includeDiff}
-    <pre>
+    <pre style="font-size:12px">
       {$email.unifiedDiff}
     </pre>
   {/if}
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSetHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSetHtml.soy
index 9df9a71585..df00e2d897 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSetHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSetHtml.soy
@@ -59,12 +59,12 @@
   </p>
   <hr/>
 
-  <pre>
+  <pre style="font-size:12px">
     {$email.changeDetail}
   </pre>
 
   {if $email.sshHost}
-    <pre>
+    <pre style="font-size:12px">
       git pull ssh:{print '//'}{$email.sshHost}/{$projectName}{sp}
           {$patchSet.refName}
     </pre>
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/RestoredHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/RestoredHtml.soy
index 8a7dcc2b19..83b05c4814 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/RestoredHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/RestoredHtml.soy
@@ -39,6 +39,6 @@
   <hr/>
 
   {if $coverLetter}
-    <pre>{$coverLetter}</pre>
+    <pre style="font-size:12px">{$coverLetter}</pre>
   {/if}
 {/template}
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/RevertedHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/RevertedHtml.soy
index 03d4dea988..c0dc4d35a1 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/RevertedHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/RevertedHtml.soy
@@ -39,6 +39,6 @@
   <hr/>
 
   {if $coverLetter}
-    <pre>{$coverLetter}</pre>
+    <pre style="font-size:12px">{$coverLetter}</pre>
   {/if}
 {/template}