diff --git a/_sass/_default.scss b/_sass/_default.scss
index 8de808cd23..05a607e250 100644
--- a/_sass/_default.scss
+++ b/_sass/_default.scss
@@ -31,6 +31,12 @@
   font-family: $sans-serif-font-family;
 }
 
+header::after {
+  content: "";
+  display: block;
+  clear: both;
+};
+
 .header a:hover {
   color:black;
 }