@font-face {
    font-family:'textbook';
    src:local('textbook');
    src:url('i-font_face_textbook.woff'),
         url('i-font_face_textbook.ttf');
}

@font-face {
    font-family:'rouble';
    src:local('rouble');
    src:url('rouble.otf');
}

@font-face {
    font-family:'avanti';
    src:local('textbook');
    src:url('avanti.ttf')
}

.i-font_face_textbook
{
    font-family:'textbook';
}