diff --git a/themes/schliesspendel/static/css/style.css b/themes/schliesspendel/static/css/style.css
index d30d516..cad97cf 100644
--- a/themes/schliesspendel/static/css/style.css
+++ b/themes/schliesspendel/static/css/style.css
@@ -139,4 +139,5 @@ footer p {
 /* image header */
 .header {
   background: linear-gradient(#FFFFFF20,#FFFFFF7E), url('https://source.unsplash.com/mKA3VavSuaI/1920x800') center center no-repeat;
+  background-size: cover;
 }