diff --git a/css/components/tabs.css b/css/components/tabs.css
index 450280461558cd16a504ec640bcb1cd2472a68de..1a7b13380b0042f45dd5d5d058fbc5553665b949 100644
--- a/css/components/tabs.css
+++ b/css/components/tabs.css
@@ -193,7 +193,7 @@ li.tabs__tab a {
   height: auto;
   margin: 0 0 -1px;
   text-align: center;
-  border-bottom-color: #a6a6a6;
+  border-bottom: none;
 }
 [dir="rtl"] .is-horizontal .tabs__tab {
   float: right;