diff --git a/src/app/styles.less b/src/app/styles.less
index 2572717bf..e216cc094 100644
--- a/src/app/styles.less
+++ b/src/app/styles.less
@@ -5,7 +5,8 @@
 	padding: 0px;
 	border: none;
 	list-style: none;
-    user-select: none;
+	user-select: none;
+	box-sizing: border-box;
 }
 
 body, html {