@font-face {
    font-family: 'CircularStd';
    src: url('CircularStd-Light.otf') format('opentype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'CircularStd';
    src: url('CircularStd-Book.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'CircularStd';
    src: url('CircularStd-Medium.otf') format('opentype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'CircularStd';
    src: url('CircularStd-Bold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'CircularStd';
    src: url('CircularStd-Black.otf') format('opentype');
    font-weight: 900;
    font-style: normal;
}