修改优惠活动页面背景样式

pages/favourableActivity/favourableActivity.scss

@@ -15,9 +15,7 @@
 		.penny-parking-content {
 			width: 100%;
 			background-image: url('/static/img/penny-parking-bg.png');
-			// background-size: 100% 100%;
-			background-size: cover;
-			background-position: center center;
+			background-position: center 40px;
 			background-repeat: no-repeat;
 			view {
 				&:nth-child(1) {