#folder summary::marker,
#folder summary::-webkit-details-marker {
    display: none;
}

#folder {
    border-radius: 1rem;
    max-width: 70rem;
    margin: 0.5rem auto;
}

#folder summary {
    cursor: pointer;
    display: block;
    border: none;
    outline: none;
    position: relative;
}

#folder summary::before,
#folder summary::after {
    content: "";
    position: absolute;
    border-radius: 0.25rem;
    background-color: #39a9d6;
}

#folder summary::before {
    top: 0.1rem;
    left: 0.1rem;
    width: 1rem;
    height: 1.7rem;
    filter: brightness(0.75);
}

#folder summary::after {
    top: 0.4rem;
    left: 0.1rem;
    width: 2rem;
    height: 1.5rem;
    transform-origin: bottom left;
    transition: transform 0.25s;
}

#folder details[close] summary::after {
    transform: skew(0);
}

#folder details[open] summary::after {
    transform: skew(-12.5deg);
}

#folder details {
    padding: 0;
    margin: 0.5rem 1rem 0;
}

#folder summary b {
    display: inline-block;
    line-height: 222%;
    padding-left: 3rem;
}

#folder summary ul {
    display: flex;
    padding: 0;
    margin: 0.5rem 0 1rem;
    gap: 0.5rem 1rem;
    flex-wrap: wrap;
}

#folder summary ul li {
    padding: 0 0.123rem;
    margin: 0;
    list-style: none inside;
    font-size: 95%;
    line-height: 125%;
}

#folder summary img {
    display: block;
    float: left;
    margin: 0 0.5rem 0 0;
    height: 2.5rem;
    user-select: none;
    pointer-events: none;
}