@font-face {
    font-family: 'CircularStdBook';
    src: url('CircularStdBook.eot');
    src: url('CircularStdBook.eot') format('embedded-opentype'),
         url('CircularStdBook.woff2') format('woff2'),
         url('CircularStdBook.woff') format('woff'),
         url('CircularStdBook.ttf') format('truetype'),
         url('CircularStdBook.svg#CircularStdBook') format('svg');
}

@font-face {
    font-family: 'CircularStdMedium';
    src: url('CircularStdMedium.eot');
    src: url('CircularStdMedium.eot') format('embedded-opentype'),
    url('CircularStdMedium.woff2') format('woff2'),
    url('CircularStdMedium.woff') format('woff'),
    url('CircularStdMedium.ttf') format('truetype'),
    url('CircularStdMedium.svg#CircularStdMedium') format('svg');
}