diff --git a/_sass/_layout.scss b/_sass/_layout.scss
index 62d79e7..364cdde 100644
--- a/_sass/_layout.scss
+++ b/_sass/_layout.scss
@@ -37,6 +37,7 @@
 }
 
 .site-nav {
+  z-index: 5;
     float: right;
     line-height: 56px;