Changes padding and background image of banner in mobile version

css/custom.css

@@ -90,6 +90,9 @@ moz-border-radius:0px;
 
 .siteBanner {
 margin-top:-16px;
+padding-left: 0.2em;
+padding-right: 0.2em;
+background-position: bottom center;
 }
 
 #siteTitle{