contacts-v2: highlight focused item in contact create

Author: Yvonne Yip

shiny/Contacts-v2/components/contacts-create-item.html

@@ -20,6 +20,7 @@
 				font-family: 'Helvetica Neue Medium', HelveticaNeue-Medium, Helvetica, sans-serif;
 				box-sizing: border-box;
 				height: 60px;
+				background: transparent;
 			}
 			input:focus {
 				outline: none;

shiny/Contacts-v2/components/contacts-create.html

@@ -26,6 +26,11 @@
 				border: 1px solid #ccc;
 				border-radius: 3px;
 			}
+			contacts-create-item[active], contacts-create-phone-item[active] {
+		    background: #f2f2f2 -webkit-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
+		    background: #f2f2f2 -moz-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
+		    background: #f2f2f2 -ms-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
+			}
 		</style>
 		<polymer-ui-toolbar>
 			<button on-tap="cancelAction">Cancel</button>