diff --git a/templates/base.html b/templates/base.html
index 3c2c637f..2ec20eb0 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -58,6 +58,12 @@ SPDX-License-Identifier: GPL-3.0-or-later
             cursor: pointer;
             text-decoration: underline;
         }
+        .tooltip-inner {
+            background-color: #fff;
+            box-shadow: 0 .5rem 1rem rgba(0,0,0,.15);
+            border: 1px solid #000;
+            color: #000;
+        }
     </style>
 
     {% block extracss %}{% endblock %}