diff --git a/css/style_config.css b/css/style_config.css
index 0017e9a1..690e93fd 100644
--- a/css/style_config.css
+++ b/css/style_config.css
@@ -193,7 +193,7 @@ pre, code {
 }
 
 pre {
-/*   width: 100%; */
+  width: 100%;
   padding: 10px;
   box-shadow: 0 0 10px rgba(0,0,0,.1);
   overflow: auto;
@@ -206,7 +206,7 @@ code {
 }
 
 pre code {
-/*   display: block; */
+  display: block;
   box-shadow: none;
 }