proxmox-backup/docs/custom.css

div.sphinxsidebar {
    height: calc(100% - 20px);
    overflow: auto;
}

h1.logo-name {
    font-size: 24px;
}

div.body img {
    width: 250px;
}
pre {
    padding: 5px 10px;
}

div.topic {
    background-color: #FAFAFA;
}

li a.current {
    font-weight: bold;
    border-bottom: 1px solid #000;
}
ul li.toctree-l1 {
    margin-top: 0.5em;
}
ul li.toctree-l1 > a {
    color: #000;
}

div.sphinxsidebar ul {
    color: #444;
}
div.sphinxsidebar ul ul {
    list-style: circle;
}
div.sphinxsidebar ul ul ul {
    list-style: square;
}

div.sphinxsidebar ul a code {
    font-weight: normal;
}
div.sphinxsidebar ul ul a {
    border-bottom: 1px dotted #CCC;
}

div.sphinxsidebar form.search {
    margin-bottom: 5px;
}

div.sphinxsidebar h3 {
    width: 100%;
}

div.sphinxsidebar h1.logo-name {
    display: none;
}

div.document, div.footer {
    width: min(100%, 1320px);
}

@media screen and (max-width: 875px) {
    div.sphinxsidebar p.logo {
        display: initial;
    }
    div.sphinxsidebar h1.logo-name {
        display: block;
    }
    div.sphinxsidebar span {
        color: #EEE;
    }
    .sphinxsidebar ul li.toctree-l1 > a, div.sphinxsidebar a {
        color: #FFF;
    }
    div.sphinxsidebar {
        background-color: #555;
    }
    div.body {
        min-width: 300px;
    }
    div.footer {
        display: block;
        margin: 15px auto 0px auto;
    }
}

@media screen and (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --pdt-grey-850: hsl(0deg, 0%, 85%);
        --pdt-grey-500: hsl(0deg, 0%, 50%);
        --pdt-grey-250: hsl(0deg, 0%, 25%);
        --pdt-grey-200: hsl(0deg, 0%, 20%);
        --pdt-grey-150: hsl(0deg, 0%, 15%);
        --pdt-grey-100: hsl(0deg, 0%, 10%);
        --pdt-primary-800: hsl(205deg, 100%, 80%);
        --pdt-primary-700: hsl(205deg, 100%, 70%);
        --pdt-red-200: hsl(360deg, 30%, 20%);
        --pdt-red-350: hsl(360deg, 30%, 35%);
        --pdt-yellow-250: hsl(40deg, 100%, 25%);
        --pdt-body-background: var(--pdt-grey-150);
        --pdt-text: var(--pdt-grey-850);
        --pdt-border: var(--pdt-grey-500);
        --pdt-shadow: var(--pdt-grey-100);
        --pdt-headline: var(--pdt-primary-800);
        --pdt-link: var(--pdt-primary-700);
        --pdt-admonition-background: var(--pdt-grey-250);
        --pdt-topic-background: var(--pdt-grey-200);
        --pdt-warn: var(--pdt-yellow-250);
        --pdt-crit: var(--pdt-red-200);
        --pdt-crit-border: var(--pdt-red-350);
    }

    /* body and links */
    body, div.body {
        color: var(--pdt-text);
        background-color: var(--pdt-body-background);
    }

    a,
    a:hover,
    a.reference:hover {
        color: var(--pdt-link);
        border-bottom-color: var(--pdt-link);
    }

    a.reference {
        border-color: var(--pdt-border);
    }

    a.headerlink:hover {
        color: var(--pdt-text);
        background-color: var(--pdt-admonition-background)
    }

    div.sphinxsidebar ul ul a {
        color: var(--pdt-text);
        border-bottom-color: var(--pdt-border);
    }

    div.sphinxsidebar a,
    ul li.toctree-l1 > a,
    div.sphinxsidebar ul,
    div.sphinxsidebar a:hover {
        color: var(--pdt-text);
        border-bottom-color: var(--pdt-border);
    }

    /* highlighting backgrounds */
    div.admonition,
    div.highlight,
    a:hover code,
    pre {
        background-color: var(--pdt-admonition-background);
    }

    div.caution, div.warning {
        background-color: var(--pdt-crit);
        border-color: var(--pdt-crit-border);
    }

    div.topic {
        background-color: var(--pdt-topic-background);
        border-color: var(--pdt-border);
    }

    div.tip,
    div.note,
    div.important {
        border-color: var(--pdt-border);
    }

    img.logo {
        filter: invert(100%) hue-rotate(180deg) brightness(90%);
    }

    table.docutils {
        box-shadow: 2px 2px 4px var(--pdt-shadow);
    }

    hr.docutils {
        border-color: var(--pdt-border);
    }

    /* style headlines, titles etc. */
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    span.caption-text,
    div.sphinxsidebar h3,
    div.sphinxsidebar h4 {
        color: var(--pdt-headline);
    }

    /* code */
    code {
        color: var(--pdt-text);
        background-color: var(--pdt-admonition-background);
    }


    .highlight span {
        filter: brightness(1.5);
    }

    .highlight .gh,
    .highlight .nt {
        color: var(--pdt-headline);
        filter: none;
    }

    .highlight .go {
        color: var(--pdt-text);
        filter: none;
    }

    span.highlighted {
        background-color: var(--pdt-warn);
    }

    .related.bottom {
        border-color: var(--pdt-border);
    }

    /* sidebar */
    div.sphinxsidebar hr {
        border-color: var(--pdt-border);
    }

    div.sphinxsidebar input {
        border-color: var(--pdt-border);
    }
}

@media screen and (max-width: 875px) and (prefers-color-scheme: dark) {
    div.documentwrapper {
        background: initial;
    }
}