diff --git a/src/webui/styles/mixins.scss b/src/webui/styles/mixins.scss
index 17bcb83a9..2b2bc0e56 100644
--- a/src/webui/styles/mixins.scss
+++ b/src/webui/styles/mixins.scss
@@ -37,9 +37,10 @@
 }
 
 @mixin container-size {
-    margin-left: auto;
-    margin-right: auto;
     @media screen and (min-width: $break-lg) {
         max-width: $break-lg;
+        width: 100%;
+        margin-left: auto;
+        margin-right: auto;
     }
 }