Make Impressum background teckids light blue

sass/style.scss

@@ -4,6 +4,7 @@ $family-sans-serif: "Roboto", sans-serif;
 $title-color: inherit;
 
 @import "./_teckids.scss";
+$footer-background-color: $teckids-blue-light;
 
 @import "../node_modules/bulma/bulma.sass";