pc端经典弹窗的布局方法【pc端弹窗】

 

/*彈窗*/
.Dialog-bg{
    background-color: #000;
    height: 100%;
    left: 0;
    opacity: 0.5;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 200;
}
.Dialog{
    background: #f3f6f7 none repeat scroll 0 0;
    border-radius: 2px;
    box-shadow: 0 0 0 #999;
    font-size: 14px;
    height: 550px;
    left: 50%;
    margin-bottom: 0;
    margin-left: -5.2in;
    margin-right: auto;
    margin-top: -275px;
    padding: 0;
    position: fixed;
    top: 50%;
    width: 1000px;
    z-index: 99999;
}

 

 <div class="Dialog-bg"></div>
 <div class="Dialog"></div>