@font-face {
    font-family: 'open-sans';
    src: url('OpenSans-Regular-webfont.woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'open-sans';
    src: url('OpenSans-Semibold-webfont.woff') format('woff');
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: 'open-sans';
    src: url('OpenSans-Bold-webfont.woff') format('woff');
    font-weight: bold;
    font-style: normal;
}

@font-face {
    font-family: 'open-sans';
    src: url('OpenSans-ExtraBold-webfont.woff') format('woff');
    font-weight: 900;
    font-style: normal;
}