fix footer view when view is less than 910px

Author: JavierABarreto

src/main/content/_assets/css/openliberty.scss

@@ -584,7 +584,7 @@ footer {
 
 }
 
-@media (max-width: 767.98px) {
+@media (max-width: 910px) {
     #footer_gray_background {
         height: 131px;
     }