[响应式]两种图片等比缩放写法
2019-04-15 12:43发布
生成海报
写法一：
.pic{padding-bottom:34px;}
.pic,.pic a,.pic img{width: 100%;height: 100%;padding-bottom:34px;}
写法二：
样式：
.item a{display: block;padding-top:46.71%;
background-repeat: no-repeat;background-position: center;background-size: cover;}
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