diff --git a/app/css/app.css b/app/css/app.css
index 4ea9aa11..dccd99c9 100644
--- a/app/css/app.css
+++ b/app/css/app.css
@@ -154,6 +154,10 @@ input[type="number"] {
 .btn-link.dropdown-toggle:hover {
   background: none;
 }
+.btn-link.dropdown-toggle:active {
+  outline: none;
+  box-shadow: none;
+}
 
 .tg_page_head .navbar-quick-nav,
 .tg_page_head .navbar-toggle {