.m_null_tips {
    font-size:14px;
    color: #333333;
    margin-bottom:16px;
    padding-top:25px;
    line-height: 16px;
}
.m_null_tips i {
    float: left;
    width:16px;
    height: 16px;
    background:url("../image/sign.png") no-repeat;
    vertical-align: middle;
    margin-right:10px;
}

.m_game_download .btn_dl {
    margin-top:40px;
}