#videoAlert {

    width: 100%;

    height: 100%;

    background: rgba(0, 0, 0, 0.7);

    position: fixed;

    top: 0;

    left: 0;

    z-index: 1000;

}



#videoAlert .cont {

    position: relative;

    height: 100%;

}



#videoAlert .video_box {

    position: absolute;

    margin-top: 12%;

    width: 70%;

    height: 60%;

    margin-left: 15%;

    display: flex;

    flex-direction: column;

    justify-content: center;

    text-align: right;

}



#videoAlert .video_box video {

    width: 85%;

    margin: 0 auto;

}



#videoAlert .video_box .close {

    height: 30px;

    position: relative;

    z-index: 10000;

    cursor: pointer;

    color: red;

    width: 92.5%;

    right: 0;

    top: -10px;

}



@media all and (max-width: 768px) {

    #videoAlert .video_box {

        width: 90%;

        margin-left: 5%;

    }

}