diff --git a/examples/side-by-side.css b/examples/side-by-side.css
index aabe991891..e053bcdc7d 100644
--- a/examples/side-by-side.css
+++ b/examples/side-by-side.css
@@ -1,4 +1,7 @@
 @media (min-width: 800px) {
+  .wrapper {
+    display: flex;
+  }
   .half {
     padding: 0 10px;
     width: 50%;