p,h6,body,html{
    margin: 0;
    padding: 0;
}
body,html{
    width: 100%;
    height: 100%;
    text-align: center;
    position: relative;
}
.tip_box{
    width: 400px;
    height: 200px;
    border: 3px solid #3389DF;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -103px 0 0 -203px;
    text-align: center; 
    border-radius: 3px;
}
.tip_title,.tip_bottom{
    height: 50px;
    display: block;
    line-height: 50px;
}
.tip_title{
    background: #3389DF;
    color: #fff;
    text-align: left;
}
.tip_detail{
    height: 100px;
    line-height: 100px;
    background: #fff;
}
.tip_bottom{
    background: #EEEEF0;
    color: #3389DF;
}