@font-face {
  font-family: 'CircularStdBook';
  src: url('../fonts/CircularStd-Book.woff2') format('woff2'),
       url('../fonts/CircularStd-Book.woff') format('woff'),
       url('../fonts/CircularStd-Book.ttf')  format('truetype'),
       url('webfont.svg#svgFontName') format('svg');
}