Ticket #32296: 32296-2.diff

src/wp-admin/css/customize-controls.css

@@ -617 +617 @@
 
 .customize-control select {
         width: 100%;
-        max-width: 300px;
         height: 28px;
         line-height: 28px;
 }
@@ -744 +743 @@
 
 .customize-control-dropdown-pages .new-content-item {
         width: 100%;
-        max-width: 300px;
         padding: 5px 0 5px 1px;
         position: relative;
 }