Update style.css

style.css

@@ -12,6 +12,10 @@ label > .z-40 {
     padding: 0 0.75rem !important;
 }
 
+.gr-button:active, .gr-button:active, {
+  border: none !important;
+  outline: none !important;
+}
 .gr-button:hover {
   background: rgba( 255, 255, 255, .1 ) !important;
   border: none !important;