@font-face {
    font-family: 'avenir';
    src: url('fonts/AvenirNext-Medium.woff') format('woff'), /* Modern Browsers */
         url('fonts/AvenirNext-Medium.ttf') format('truetype'); /* Safari, Android, iOS */
    font-style: normal;
    font-weight: normal;
    text-rendering: optimizeLegibility;
}
@font-face {
    font-family: 'avenir';
    src: url('fonts/AvenirNext-DemiBold.woff') format('woff'), /* Modern Browsers */
         url('fonts/AvenirNext-DemiBold.ttf') format('truetype'); /* Safari, Android, iOS */
    font-style: normal;
    font-weight: bold;
    text-rendering: optimizeLegibility;
}
@font-face {
    font-family: 'avenir bold';
    src: url('fonts/AvenirNext-Bold.woff') format('woff'), /* Modern Browsers */
         url('fonts/AvenirNext-Bold.ttf') format('truetype'); /* Safari, Android, iOS */
    font-style: normal;
    font-weight: normal;
    text-rendering: optimizeLegibility;
}
@font-face {
    font-family: 'avenir bold';
    src: url('fonts/AvenirNext-Heavy.woff') format('woff'), /* Modern Browsers */
         url('fonts/AvenirNext-Heavy.ttf') format('truetype'); /* Safari, Android, iOS */
    font-style: normal;
    font-weight: bold;
    text-rendering: optimizeLegibility;
}