@font-face {
font-family: 'Avenir Black';
src: url('../fonts/AvenirLTStd-Black.eot'); 
font-weight: normal; font-style: normal;
}
@font-face {
font-family: 'Avenir Medium';
src: url('../fonts/AvenirLTStd-Medium.eot'); 
font-weight: normal; font-style: normal;
}
@font-face {
font-family: 'Avenir Medium';
src: url('../fonts/AvenirLTStd-Black.eot'); 
font-weight: bold; font-style: normal;
}