%external-link-icon { display: inline-block; margin-left: 0.6em; color: $base-font-color; font-size: $base-font-size - 4px; @media (max-width: $first-media-step) { font-size: $base-font-size - 2px; } } a[href*="//github.com"]:after { @extend %external-link-icon; font-family: 'Font Awesome 5 Brands', serif; content: '\f09b'; } a[target="_blank"]:not([href*="//github.com"]):after { @extend %external-link-icon; font-family: 'Font Awesome 5 Free', serif; content: '\f35d'; }