Ticket #21916: 21916.diff

wp-content/themes/twentytwelve/style.css

@@ -1179 +1179 @@
 }
 #respond form input[type="text"],
 #respond form textarea {
+        -webkit-box-sizing: border-box;
+        -moz-box-sizing: border-box;
+        box-sizing: border-box;
         font-size: 12px;
         font-size: 0.857142857rem;
         line-height: 1.714285714;
         padding: 10px;
         padding: 0.714285714rem;
-        width: 96%;
+        width:100%;
 }
 #respond form p.form-allowed-tags {
         margin: 0;