:root{--el-color-primary:#591ff8}.layer-box{border:1px solid rgba(0,0,0,.15);border-radius:4px;-webkit-box-sizing:content-box;box-sizing:content-box;overflow:hidden;position:relative}.layer-box.active{border:1px solid #fff;-webkit-box-shadow:0 0 0 3px #2254f4;box-shadow:0 0 0 3px #2254f4}.layer-box .outline{height:100%;left:0;position:absolute;top:0;width:100%;z-index:2}.layer-box img{position:absolute}.background{background-position:50%;height:100%;position:absolute;width:100%}.placeholder{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;height:100%;width:100%;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center}