/* ===================================µ¯¿òcss²¿·Ö start by:songfayuan========================================= */
.black_overlay{
    display: none;
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    background-color: black;
    z-index:1001;
    -moz-opacity: 0.8;
    opacity:.50;
    filter: alpha(opacity=50);
}
.white_content {
    display: none;
    position: absolute;
    top: 35%;
    left: 36%;
    width: 33%;
    border: 2px solid #d3d3d3;
    background-color: white;
    z-index: 1002;
    /* overflow: auto; */
}
.white_content_small {
    display: none;
    position: absolute;
    top: 20%;
    left: 30%;
    width: 40%;
    height: 50%;
    border: 16px solid lightblue;
    background-color: white;
    z-index:1002;
    overflow: auto;
}
/* ===================================µ¯¿òcss²¿·Ö end by:songfayuan========================================= */