#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%;
    }
}