.bh-upload{border:1px solid #ddd;width:80px;height:80px;position:relative}.bh-upload-input{width:100%;height:100%;position:absolute;top:0;left:0}.bh-upload-value{background-image:var(--upload-value);background-size:100% 100%;width:100%;height:100%;position:absolute;top:0;left:0}.bh-upload:hover .bh-upload-input{z-index:3}