diff --git a/app/scss/main.scss b/app/scss/main.scss
index e9682a8..d61109f 100644
--- a/app/scss/main.scss
+++ b/app/scss/main.scss
@@ -205,6 +205,7 @@ main {
   width: 100%;
   height: 100%;
   top: 0;
+  z-index: -1;
 }
 
 footer {