Binder is not shown in mobile versions

css/custom.css

@@ -45,6 +45,11 @@ _______________________________
 Mobile version - preset code from cssgrid.net */
 
 @media handheld, only screen and (max-width: 767px) {
+.pageBackground {
+background-image:url(images/background_texture_wood.png);
+background-repeat:repeat;
+}
+
 
 	.examplecontainer {}