diff --git a/static/src/scss/style.scss b/static/src/scss/style.scss
index 6775766..24eb78c 100644
--- a/static/src/scss/style.scss
+++ b/static/src/scss/style.scss
@@ -120,6 +120,7 @@ table td {
 
 #index-header {
   background-image: url("/img/header.jpg");
+  background-size: 100%;
   width: 100%;
   height: calc(100% - 110px);
 }