diff --git a/ROADMAP.md b/ROADMAP.md
index fba72d7..2ade653 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -12,5 +12,5 @@
   - [x] Set the default style of codes to "glass"
   - [x] Utility section of the document lacks proper comments
   - [] Append (Borderliner) to my real name as a copyright holder
-  - [] Code for buttons section in the document has extra useless line ends
+  - [x] Code for buttons section in the document has extra useless line ends
   - [] Try fixing several FIXME's inside the code
diff --git a/src/css/code.css b/src/css/code.css
index e1951aa..3c7d52a 100644
--- a/src/css/code.css
+++ b/src/css/code.css
@@ -33,6 +33,7 @@ pre {
   border: 2px solid #E1E1E1;
   border-radius: 5px;
   overflow-x: auto;
+  white-space: normal;
 }
 
 /* Filled mode for blocks of code */