#nd-ta{
    display: none;
}
.xem-tiep-tv,
.xem-tiep-ta{
    color: #0e83cd;
    cursor: pointer;
}
.xem-tiep-tv:hover,
.xem-tiep-ta:hover{
    font-weight: bold;
}
.full-thu-bt-tv,
.full-thu-bt-ta{
    display:none;
}
.box_diem{
    background: #dddddd;
    width: 100px;
    height:20px;
    position: relative;
}
.box_diem img{
    width: 100px !important;
    height: 20px !important;
    position: absolute;
    z-index: 999;
    left: 0 !important;
    bottom: 0 !important;
}
.box_diem:hover img{
    width: 100px !important;
}

.so_diem{
    background: #ffab1c;

    position: absolute;
    bottom: 0 !important;
    left: 0 !important;

    height: 20px;
    z-index: 10;
}
.video_bg{
    /*
    height: 768px;
    */
    height: 100%;
}
#video_background {
    /*
     position: absolute;
     bottom: 0;
     left: 0;
    */
    min-width: 100%;
    min-height: 100%;
    width: 100%;
    height: auto;
    z-index: -1000;
    overflow: hidden;
}

/*COMPUTER*/
@media all and (min-width: 599px){

    #nd-tv, #nd-ta{
        padding-top: 40px;
        padding-bottom: 60px;
    }
    .thu-bt{
        font-size: 30px;
        color: #da2826;
        text-align: center;
        margin: 10px auto;
    }
    #content{
        width: 990px;
        margin: -15px auto;
        display: block;
        background: #fff;
    }
    #content .wrap_top{
        width: 100%;
        margin: 0 auto;
    }
    #content .wrap_top img{
        max-width: 100%;
    }

    #content .wrap_top .title p{
        font-size: 30px;
    }

    .tit_ds_tham_gia{
        text-align: center;
        font-size: 30px !important;
        color: #4491d6;
        /* padding-top: 0px; */
    }

    .left{
        float: left;
        margin: 0 auto ;
    }
    .right{
        float: right;
        margin-left: 10px;
    }
    .right-text{
        float: right;
    }


    .position_cha_sang_trai{
        position: relative;
        left: -100px;
        top: 0;
        margin-right: -100px;
        padding: 10px;
    }

    .position_cha_sang_phai{
        position: relative;
        right: -130px;
        top: 0;
        margin-left: -100px;
    }

}


/*END COMPUTER*/



/*MOBILE*/
@media all and (max-width: 599px){
    .img-chu-ky-bt{
        width: 60%;
    }
    .thu-bt{
        font-size: 14px;
        color: #da2826;
        text-align: center;
        margin: 10px auto;
    }

    #content .wrap_top img{
        max-width: 100%;
    }

    .tit_ds_tham_gia{
        padding-top: 0px;
        text-align: center;
        font-size: 18px !important;
        color: #4491d6;
    }


}