diff --git a/frontend/src/main.sass b/frontend/src/main.sass
index 5bbf786..23dd7a5 100644
--- a/frontend/src/main.sass
+++ b/frontend/src/main.sass
@@ -27,11 +27,12 @@ header
       padding: 2px 10px
       line-height: 1.5rem
 
+      // submenus
       & > ul
         display: none
         position: absolute
+        width: 100vw
         z-index: 1
-
       &:hover
         background-color: red
         & > ul