diff --git a/views/_main.html b/views/_main.html
index 9b92b5aff..1ddede68c 100644
--- a/views/_main.html
+++ b/views/_main.html
@@ -76,6 +76,12 @@
             .slider_span {
                 margin-left: 1em;
             }
+
+            .custom-file {
+                white-space: nowrap;
+                overflow: hidden;
+                text-overflow: ellipsis;
+            }
         </style>
     {% endblock head %}