.container-xxl{
    min-height: 800px;
}
.cim{
    text-align: center;
    margin-top: 50px;
    margin-bottom: 50px;
}
.video{
    width: 100%;
    display: grid;
    grid-template-columns: 33% 34% 33%;
    place-items: center;
    margin-bottom: 50px;
}
.video>iframe{
    width: 100%;
}
@media only screen and (max-width: 1000px) {
    .video{
        grid-template-columns: 50% 50%;
        place-items: center;
    }
}
@media only screen and (max-width: 600px) {
    .video{
        grid-template-columns: 100%;
        place-items: center;
    }
}