diff --git a/sao/src/sao.less b/sao/src/sao.less
index 2881e299ec..301d78138f 100644
--- a/sao/src/sao.less
+++ b/sao/src/sao.less
@@ -395,6 +395,7 @@ html.accesskey {
 
     .tab-domain {
         overflow-x: auto;
+        max-width: calc(100vw - 10px);
         flex: 0 0 content;
 
         > .nav-tabs {