Add a background color to the jumbotron on the homepage

Author: rosier

Diff for: assets/styles/app.scss

@@ -414,6 +414,7 @@ body#homepage .page-header a.language-selector-dropdown-button .current-language
   margin-inline: 5px 10px;
 }
 body#homepage .jumbotron {
+  background: var(--secondary-color);
   display: flex;
   flex-direction: column;
   height: 100%;