extra.css

/* Warning for latest docs */
.md-banner {
    background-color: var(--md-warning-bg-color);
    color: var(--md-warning-fg-color);
}

/* https://christianoliff.com/blog/styling-external-links-with-an-icon-in-css/ */
a:not(:has(svg)):not(.md-icon) {
    align-items: center;

    &[href^="//"]::after,
    &[href^="http://"]::after,
    &[href^="https://"]::after {
        content: "";
        width: 12px;
        height: 12px;
        margin-left: 4px;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' stroke='gray' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M8.636 3.5a.5.5 0 0 0-.5-.5H1.5A1.5 1.5 0 0 0 0 4.5v10A1.5 1.5 0 0 0 1.5 16h10a1.5 1.5 0 0 0 1.5-1.5V7.864a.5.5 0 0 0-1 0V14.5a.5.5 0 0 1-.5.5h-10a.5.5 0 0 1-.5-.5v-10a.5.5 0 0 1 .5-.5h6.636a.5.5 0 0 0 .5-.5z'/%3E%3Cpath fill-rule='evenodd' d='M16 .5a.5.5 0 0 0-.5-.5h-5a.5.5 0 0 0 0 1h3.793L6.146 9.146a.5.5 0 1 0 .708.708L15 1.707V5.5a.5.5 0 0 0 1 0v-5z'/%3E%3C/svg%3E");
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
        display: inline-block;
    }
}