.mess-div{
    position: fixed;
    top:0;
    left:0;
    background: rgba(0,0,0,.5);
    width: 100%;
    height: 100%;
    text-align: center;
    z-index: 9999;
}
.mess-body{
    height: 4rem;
    width: 13rem;
    background: #fff;
    position: absolute;
    top:0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    font-size: 1rem;
}
.mess-body{
    line-height: 2rem;
    font-size: .65rem;
}
.mess-body:first-child p{
    color: #000;
}
.mess-body p:last-child{
    border-top:1px solid #eee;
    color: #46AF13;
    position: absolute;
    bottom: 0;
    width: 100%;
    cursor: pointer;
}