README WordPress the code is overflowing #6679 (#6696)

Author: ZerooCool

public/css/index.css

@@ -326,6 +326,10 @@
             .plain-text {
                 padding: 1em 2em 1em 2em;
             }
+            
+            pre {
+                overflow: scroll;
+            }
 
             .code-view {
                 * {