body {
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-family: "Microsoft YaHei";
}
.l_box_wrap {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 500px;
    margin: -156px 0 0 -250px;
    text-align: center;
}
.l_tip_content {
    line-height: 28px;
}
.l_refresh {
    width: 110px;
    margin: 16px auto;
    line-height: 36px;
    color: #fff;
    background-color: #77aee8;
    cursor: pointer;
}
.l_refresh img {
    margin-right: 4px;
    vertical-align: -5px;
}