div.details {
    margin: 1rem 0;
}

div.details details {
    position: sticky;
    top: 0;
    z-index: 1;
    padding: 0 1rem;
    border-radius: 8px;
    transition: background .3s,
                padding .3s .05s,
                box-shadow .3s .05s;
}

@media screen and (max-width: 767px) {
    /* Mobile phone style */
    div.details .details-children-container > .details-children {
        padding: 0 1.6rem !important;
    }
    div.details .details-children > pre:last-child,
    div.details .details-children > div.media-container:last-child {
        margin-bottom: 0;
    }

    /* details node under blockquote */
    blockquote > .details {
        margin-left: -1rem;
    }
    blockquote > .details details {
        border-top-right-radius: 8px;
        border-bottom-right-radius: 8px;
    }
    blockquote > .details .details-children-container {
        margin: 0;
        border-bottom-left-radius: 0;
    }
    blockquote > .details .details-children pre code {
        border-radius: 0;
    }
    blockquote > .details .details-children pre,
    blockquote > .details .details-children div.media-container {
        margin-left: -1.6rem;
        margin-right: -1.6rem;
        border-radius: 0;
    }
}


body.light details[open] {
    background-color: var(--default-bg-color);
}

div.details details[open] {
    padding-top: .6rem;
    padding-bottom: .6rem;
    box-shadow: var(--shadow-sm);
}

.dark div.details details[open] {
    background-color: var(--shallow-bd-color);
}

div.details details summary {
    color: var(--default-tx-color);
    font-size: 1.2em;
    outline: none;
    user-select: none;
    cursor: pointer;
    transition: color .3s .15s;
}
div.details details summary:focus-visible {
    outline: auto;
}

div.details .details-children-container {
    display: grid;
    grid-template-rows: 0fr;
    border: 2px solid transparent;
    border-top: none;
    overflow: hidden;
    transition: grid-template-rows .3s .15s,
                border .3s .15s;
}
div.details .details-children-container > .details-children {
    padding: 0 1rem;
    min-height: 0;
    overflow: hidden;
}
div.details details[open] + .details-children-container {
    grid-template-rows: 1fr;
    border-color: var(--shallow-bd-color);
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}