diff --git a/WebHostLib/static/styles/themes/dirt.css b/WebHostLib/static/styles/themes/dirt.css
index 8f054040b2..6452deffd8 100644
--- a/WebHostLib/static/styles/themes/dirt.css
+++ b/WebHostLib/static/styles/themes/dirt.css
@@ -52,6 +52,7 @@ pre{
 
 pre code{
     border: none;
+    display: block;
 }
 
 code{
diff --git a/WebHostLib/static/styles/themes/grass-flowers.css b/WebHostLib/static/styles/themes/grass-flowers.css
index 8006593dd2..f539b40f0f 100644
--- a/WebHostLib/static/styles/themes/grass-flowers.css
+++ b/WebHostLib/static/styles/themes/grass-flowers.css
@@ -52,6 +52,7 @@ pre{
 
 pre code{
     border: none;
+    display: block;
 }
 
 code{
diff --git a/WebHostLib/static/styles/themes/grass.css b/WebHostLib/static/styles/themes/grass.css
index 7961180487..b238435f37 100644
--- a/WebHostLib/static/styles/themes/grass.css
+++ b/WebHostLib/static/styles/themes/grass.css
@@ -52,6 +52,7 @@ pre{
 
 pre code{
     border: none;
+    display: block;
 }
 
 code{
diff --git a/WebHostLib/static/styles/themes/ice.css b/WebHostLib/static/styles/themes/ice.css
index d8768dcb99..1ff702a75f 100644
--- a/WebHostLib/static/styles/themes/ice.css
+++ b/WebHostLib/static/styles/themes/ice.css
@@ -52,6 +52,7 @@ pre{
 
 pre code{
     border: none;
+    display: block;
 }
 
 code{
diff --git a/WebHostLib/static/styles/themes/jungle.css b/WebHostLib/static/styles/themes/jungle.css
index a6808658d2..b4ca28942b 100644
--- a/WebHostLib/static/styles/themes/jungle.css
+++ b/WebHostLib/static/styles/themes/jungle.css
@@ -52,6 +52,7 @@ pre{
 
 pre code{
     border: none;
+    display: block;
 }
 
 code{
diff --git a/WebHostLib/static/styles/themes/ocean.css b/WebHostLib/static/styles/themes/ocean.css
index fcfaa7f92c..4b13c70099 100644
--- a/WebHostLib/static/styles/themes/ocean.css
+++ b/WebHostLib/static/styles/themes/ocean.css
@@ -53,6 +53,7 @@ pre{
 
 pre code{
     border: none;
+    display: block;
 }
 
 code{
diff --git a/WebHostLib/static/styles/themes/party-time.css b/WebHostLib/static/styles/themes/party-time.css
index 1e2041b8aa..02fb37ef86 100644
--- a/WebHostLib/static/styles/themes/party-time.css
+++ b/WebHostLib/static/styles/themes/party-time.css
@@ -52,6 +52,7 @@ pre{
 
 pre code{
     border: none;
+    display: block;
 }
 
 code{
diff --git a/WebHostLib/static/styles/themes/stone.css b/WebHostLib/static/styles/themes/stone.css
index 0e020c608b..4c123a0b28 100644
--- a/WebHostLib/static/styles/themes/stone.css
+++ b/WebHostLib/static/styles/themes/stone.css
@@ -50,6 +50,7 @@ pre{
 
 pre code{
     border: none;
+    display: block;
 }
 
 code{