diff --git a/src/App.scss b/src/App.scss
index 62368bb0..3e0c4cb5 100644
--- a/src/App.scss
+++ b/src/App.scss
@@ -207,7 +207,7 @@ i[class*=icon-] {
 }
 
 .item {
-  flex: 1;
+  flex: 1 0 auto;
   line-height: 50px;
   height: 50px;
   overflow: hidden;