.solid-red{ border: 2rpx solid red; } .image-reader-item { position: relative; width: 100%; background-color: #f8f8f8; box-sizing: border-box; list-style: none; background-size: cover; border-radius: 6rpx; border: 2rpx solid #eeeeee; } .image-reader-item .md-icon { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); opacity: 0.5; } .image-reader-item .md-load { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }