增加底部图片样式

@@ -323,9 +323,10 @@
 	border:1px solid rgba(230,230,230,1);
 }
 .main4_box ul li img{
-	width:172px;
-	height:73px;
-	margin:22px auto;
+	width: 100%;
+	height: 100%;
+	padding: 10px;
+	box-sizing: border-box;
 }
 .swiper-button-next{
 	width:63px;