diff --git a/_sass/jekyll-theme-cayman.scss b/_sass/jekyll-theme-cayman.scss
index d3196e4..eb4de94 100644
--- a/_sass/jekyll-theme-cayman.scss
+++ b/_sass/jekyll-theme-cayman.scss
@@ -109,7 +109,8 @@ a {
   color: $header-heading-color;
   text-align: center;
   background-color: $header-bg-color;
-  background-image: linear-gradient(120deg, $header-bg-color-secondary, $header-bg-color);
+  background-image: url("https://github.com/leap-stc/ml4esm-workshop/blob/gh-pages/_site/assets/css/background_sky.jpeg");
+  background-size: 100% auto;
 
   @include large {
     padding: 5rem 6rem;