Global Search: Fix cropped search focus rectangle

cfgov/unprocessed/css/molecules/global-search.less

@@ -282,6 +282,9 @@
             &_content {
                 right: @margin_half__em;
                 width: auto;
+                // Add margin so that the focus rectangle isn't cropped by
+                // the hidden overflow of the search container element.
+                margin-left: 3px;
             }
         }
     } );

cfgov/unprocessed/css/organisms/header.less

@@ -112,7 +112,9 @@
                 }
 
                 > .m-global-search {
-                    min-width: 340px;
+                    // Width should visually be 340px, plus 3px to accommodate
+                    // the focus state.
+                    min-width: 343px;
                 }
             }
         } );