.red-star::before {
    content: '*';
    color: red;
    font-weight: bold;
}

.img-preview-box {
    display: inline-block;
    position: relative;
}

.img-preview-box .layui-icon-close-fill {
    font-size: 24px;
    position: absolute;
    top: -10px;
    right: -10px;
    display: none;
}

.img-preview {
    max-width: 300px;
}