#detail2 iframe{
    border: .5rem solid #6c837b;
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    margin: 1rem 0;
    border-radius: 2rem;
    background: radial-gradient(at left top, #6C837B, #20343e);
}

#detail2 div{
    display: flex;
    justify-content: space-between;
}

@media only screen and (max-width: 768px) {
    #detail2{
        display: none;
    }
}

#detail4 {
    column-count: 3;
    column-gap: 1rem;
}

#detail4 img {
    width: 100%;
    margin-bottom: 1rem;
    break-inside: avoid;
    border-radius: 1rem;
    border: #6C837B .2rem solid;
    background: radial-gradient(at left top, #6C837B, #20343e);
}

@media only screen and (max-width: 950px) {
    #detail4 {
        column-count: 3;
    }
}

@media only screen and (max-width: 768px) {
    #detail4 {
        column-count: 2;
    }
}