adjust margin on page-header

django/website/media/less/internews.less

@@ -11,19 +11,10 @@ body {
     width: 100%;
 }
 
-.page-header {
-  padding:@padding-base-vertical;
-}
-
-@media(max-width:@screen-sm) {
-  .page-header {
-    margin-left:@padding-base-horizontal;
-  }
-}
 
 @media(min-width:@screen-sm-min) {
     .page-header {
-      margin:0;
+      margin:@padding-large-vertical;
     }
     #page-wrapper {
         position: inherit;