.black_curtain{
    width:100%;
    height:100%;
    position:fixed;
    background-color:rgba(0,0,0,0.5);
    top:0;
    left:0;
    z-index:1000;
    display:none;
}
.black_curtain p.modal_close{
    cursor: pointer;
    color: rgba(0,0,0,0.5);
    right: 7.5%;
    top: 7%;
    padding:6px;
    position: absolute;
    font-size: 32px;
}
.black_curtain p.modal_left, .black_curtain p.modal_right{
    width:42px;
    height:64px;
    cursor: pointer;
    color: rgba(255,255,255,0.5);
    left: 0;
    top: 0;
    bottom:0;
    padding:32px 8px;
    margin:auto 0;
    position: absolute;
    font-size: 64px;
    display:none;
}
.black_curtain p.modal_right{
    left:auto;
    right: 0;
}
.black_curtain p.modal_left:before, .black_curtain p.modal_right:before{
    width:42px;
    height:64px;
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    margin:auto;
}
.modal_window{
    width:85%;
    height:85%;
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    margin:auto;
    background-color:#ffffff;
    border-radius:4px;
    overflow-y:auto;
}
.modal{
    padding:18px;
    word-break:break-all;
}
.modal_fixed{
    position:fixed;
    background-color:#ffffff;
    width:85%;
    bottom:7%;
    left:0;
    right:0;
    margin:0 auto;
    border-radius:0 0 4px 4px;
}
.modal_scroll_area{
    overflow-y:auto;
    overflow-x:hidden;
}