小程序图片给圆形，边框并无呈圆形

一、用伪元素给边框it .usee{ width:120rpx; height:120rpx; border-radius: 50%; box-sizing: border-box; position: relative; z-index: -1; } .usee::before{ content: ''; display: block; width:120rpx; height: 120rpx;

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