.zoomable {
    width: 100%;
    max-width: 300px;
    cursor: pointer;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    /* 确保层级在上 */
    z-index: 1000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.2);
}

.modal-content {
    margin: auto;
    display: block;
    width: 60%;
    max-width: 700px;
    max-height: 95%;
}

.modal-content {
    -webkit-animation-name: zoom;
    -webkit-animation-duration: 0.6s;
    animation-name: zoom;
    animation-duration: 0.6s;
}

@-webkit-keyframes zoom {
    from {
        -webkit-transform: scale(0)
    }

    to {
        -webkit-transform: scale(1)
    }
}

@keyframes zoom {
    from {
        transform: scale(0)
    }

    to {
        transform: scale(1)
    }
}

/* 关闭按钮 */
.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
}

.close:hover,
.close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}