@each $lang-code in $supported-languages {
    :lang(#{$lang-code}) {

        * {
            font-family: get-base-font($lang-code)
        }
    
        h1, h2, h3, h4, h5, h6 {
            font-family: get-heading-font($lang-code);
        }
    
        .section-intro, #post-title, .site-info {
            font-family: get-title-font($lang-code);
        }
    }
}