diff --git a/contao/templates/frontend/event_filter.html.twig b/contao/templates/frontend/event_filter.html.twig
index 950eb1f..327e658 100644
--- a/contao/templates/frontend/event_filter.html.twig
+++ b/contao/templates/frontend/event_filter.html.twig
@@ -82,6 +82,20 @@
         display: none;
     }
 
+    #eventfilters .ts-wrapper.single .ts-control {
+        background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
+        background-repeat: no-repeat;
+        background-position: right 0.75rem center;
+        background-size: 16px 12px;
+        padding-right: 2rem;
+    }
+
+    #eventfilters .ts-wrapper.single .ts-control > input {
+        width: auto !important;
+        min-width: 0 !important;
+        flex: 0 0 auto;
+    }
+
 </style>
 
 <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/tom-select@2.4.3/dist/css/tom-select.css">