.external {
    background-image: url(external_link.svg);
    background-position: center right;
    background-repeat: no-repeat;
    background-size:   16px, 16px;
    padding-right:     16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, "Helvetica Neue",
                 Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
}