diff --git a/src/styles/left-nav/_index.scss b/src/styles/left-nav/_index.scss
index 8b1e70a5d48dba0652a0aa2fc39b88abf7900718..8eec39863741ad1983bae31832b9554fa12eba35 100644
--- a/src/styles/left-nav/_index.scss
+++ b/src/styles/left-nav/_index.scss
@@ -166,6 +166,7 @@ nav#main__menu {
       margin-right: 15px;
       margin-left: 3px;
       vertical-align: middle;
+      width: calc(75% - 15px);
     }
   }