diff --git a/client/css/core-general.styl b/client/css/core-general.styl
index 942ca3d0..b3a2c7ee 100644
--- a/client/css/core-general.styl
+++ b/client/css/core-general.styl
@@ -287,6 +287,7 @@ nav
     background-size: contain
     background-position: center
     display: inline-block
+    overflow: hidden
     width: 20px
     height: 20px
     &.empty