diff --git a/resources/mixins.less b/resources/mixins.less
index a54b404..c2ab4cc 100644
--- a/resources/mixins.less
+++ b/resources/mixins.less
@@ -38,9 +38,9 @@
 	.icon;
 	display: inline-block;
 	width: 20px;
-	height: 20px;
 	box-sizing: border-box;
 	margin-bottom: -0.5em;
+	overflow: hidden;
 }
 
 // Navigation column blocks