@font-face{
    font-family: 'zero-width';
    src: url('//cdn.jsdelivr.net/font-zero-width/1.0.0/zero-width.eot');
    font-weight: normal;
    font-style: normal;
}

@font-face{
    font-family: 'zero-width';
    src: url(http://:/) format("No-IE-404"),
         url('//cdn.jsdelivr.net/font-zero-width/1.0.0/zero-width.woff') format('woff'),
         url('//cdn.jsdelivr.net/font-zero-width/1.0.0/zero-width.svg') format('svg'),
         url('//cdn.jsdelivr.net/font-zero-width/1.0.0/zero-width.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}