diff --git a/scss/mixins/_grid.scss b/scss/mixins/_grid.scss
index 23b11dbed7..9cd8c7bbbb 100644
--- a/scss/mixins/_grid.scss
+++ b/scss/mixins/_grid.scss
@@ -3,6 +3,7 @@
 // Generate semantic grid columns with these mixins.
 
 @mixin make-container($gutters: $grid-gutter-widths) {
+  position: relative;
   margin-left: auto;
   margin-right: auto;