changing builder.less instead app.css

Author: Douglas Saldaña

app/bundles/CoreBundle/Assets/css/app/less/components/builder.less

@@ -41,7 +41,7 @@
   top: 0;
   bottom: 0;
   right: 0;
-  width: 525px;
+  width: 30%;
   height: 100%;
   padding: 15px;
   background-color: #d5d4d4;
@@ -52,7 +52,7 @@
   position: fixed;
   left: 0;
   top: 0;
-  right: 525px;
+  right: 70%;
   height: 100%;
 }