@font-face {
  font-family: 'avenir next';
  src:  url('./fonts/AvenirNext-DemiBold.eot?#iefix') format('embedded-opentype'),
        url('./fonts/AvenirNext-DemiBold.eot.woff') format('woff'), 
        url('./fonts/AvenirNext-DemiBold.eot.ttf')  format('truetype'), 
        url('./fonts/AvenirNext-DemiBold.eot.svg') format('svg');
  font-style: normal;
  font-weight: 600;
}