diff --git a/openwisp_utils/admin_theme/static/admin/css/openwisp.css b/openwisp_utils/admin_theme/static/admin/css/openwisp.css
index 8dd135a3..dbb2e486 100644
--- a/openwisp_utils/admin_theme/static/admin/css/openwisp.css
+++ b/openwisp_utils/admin_theme/static/admin/css/openwisp.css
@@ -640,7 +640,7 @@ input[type="button"]:hover,
   display: inline-block;
   text-align: center;
   border-radius: 4px;
-  background: #498b26;
+  background: #498b26 !important;
   cursor: pointer;
   border: 0;
   padding: 0.625rem 1rem;