diff --git a/index.css b/index.css
index 4636a48a7..ffaecf572 100644
--- a/index.css
+++ b/index.css
@@ -248,18 +248,18 @@ input[type="range"].vertical {
     padding-top: 30px;
   }
   input[type="range"].vertical::-moz-range-thumb {
-    width: 60px;
-    height: 50px;
+    width: 150px;
+    height: 35px;
     border: 2px;
     border-style: solid;
-    border-width: 50px;
     background-color: #00000000 !important;
     background-image: url("/assets/svg/elevator_wheelchair.svg");
     background-size: contain;
     background-position: center center;
     background-repeat: no-repeat;
     cursor: pointer;
-    border-image: linear-gradient(to right, red 50%, transparent 50%) 100% 1;
+    border-image: linear-gradient(to right, black 50%, transparent 50%) 100% 1;
+    padding-bottom: 5px;
   }
 }