Fix hovering over the GCS search button (#3005)

* Fix hovering over the GCS search button

Author: svekars

_static/css/custom.css

@@ -100,3 +100,15 @@
    padding-left: 0px !important;
    padding-bottom: 0px !important;
 }
+
+.gsc-search-button .gsc-search-button-v2:focus {
+   border: transparent !important;
+   outline: none;
+   box-shadow: none;
+}
+.gsc-search-button-v2:active {
+   border: none !important;
+}
+.gsc-search-button-v2 {
+   border: none !important;
+}