@font-face {
    font-family: 'Intro Black';
    src: url('intro-black-webfont.woff2') format('woff2'),
         url('intro-black-webfont.woff') format('woff');
    font-weight: 900; /* Black geralmente tem peso 900 */
    font-style: normal;
}

@font-face {
    font-family: 'Intro Black';
    src: url('intro-blackitalic-webfont.woff2') format('woff2'),
         url('intro-blackitalic-webfont.woff') format('woff');
    font-weight: 900; /* Mesmo peso para Black Italic */
    font-style: italic;
}

@font-face {
    font-family: 'Intro Black';
    src: url('intro-blackoblique-webfont.woff2') format('woff2'),
         url('intro-blackoblique-webfont.woff') format('woff');
    font-weight: 900; /* Mesmo peso para Black Oblique */
    font-style: oblique;
}