@font-face {
    font-family: 'source_sans_pro';
    font-style: normal;
    font-weight: normal;
    src: 
      local('Source Sans Pro'),
      local('SourceSansPro'),
      local('source_sans_pro'),
      url('../fonts/sourcesanspro-regular-webfont.woff') format('woff'),
      url('../fonts/sourcesanspro-regular-webfont.woff2') format('woff2');
}