@font-face {
  font-family: 'Avenir Light';
  src: url('avenirltstdlight.eot');
  src: url('avenirltstdlight.eot?#iefix') format('embedded-opentype'),
       url('avenirltstdlight.woff') format('woff'),
       url('avenirltstdlight.ttf')  format('truetype'),
       url('avenirltstdlight.svg#avenirltstdlight') format('svg');
}