css, add a section which is both phone and tablets rather than duplicating code.

pages/helpers/main.css

@@ -45,7 +45,6 @@
 					display: block;
 					width: 100%;
 				}
-				.banner-image { display: none; }
 			}
 
 			/* Tablets */
@@ -55,6 +54,10 @@
 					display: block;
 					width: 50%;
 				}
+			}
+
+			/* Both */
+			@media (max-width: 1023px) {
 				.banner-image { display: none; }
 			}