diff --git a/src/themes/buble.css b/src/themes/buble.css
index 033a4d46d..9e6f69220 100644
--- a/src/themes/buble.css
+++ b/src/themes/buble.css
@@ -132,7 +132,7 @@ $sidebar-width: 16rem;
   border-radius: 3px;
   font-family: Inconsolata;
   padding: 0.2em 0.4rem;
-  white-space: pre;
+  white-space: nowrap;
 }
 
 .markdown-section pre {
diff --git a/src/themes/dark.css b/src/themes/dark.css
index 45245899a..ed8afc471 100644
--- a/src/themes/dark.css
+++ b/src/themes/dark.css
@@ -134,7 +134,7 @@ body {
   font-size: 0.8rem;
   margin: 0 2px;
   padding: 3px 5px;
-  white-space: nowrap;
+  white-space: pre-wrap;
 }
 
 .markdown-section pre {
diff --git a/src/themes/vue.css b/src/themes/vue.css
index 42b47de6a..704317da3 100644
--- a/src/themes/vue.css
+++ b/src/themes/vue.css
@@ -145,7 +145,7 @@ body {
   font-size: 0.8rem;
   margin: 0 2px;
   padding: 3px 5px;
-  white-space: nowrap;
+  white-space: pre-wrap;
 }
 
 .markdown-section pre {