.main_menu{
    background-color: rgb(27, 27, 27, 0.85);
}

.video_container{
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
}

.video_container iframe{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}