small CSS improvement, partially resolves #48

css/zerobin.css

@@ -394,6 +394,10 @@ img.vizhash {
 	font-size: 1.2em;
 }
 
+#prettyprint.prettyprinted {
+	overflow: auto;
+}
+
 #cleartext {
 	padding: 10px;
 }

js/zerobin.js

@@ -578,7 +578,6 @@ $(function() {
                     break;
                 case 'syntaxhighlighting':
                     if (typeof prettyPrint == 'function') prettyPrint();
-                    this.prettyMessage.css('overflow', 'auto');
                 default:
                     // Convert URLs to clickable links.
                     helper.urls2links(this.clearText);