@font-face {
  font-family: 'Avenir-Roman';
  src: url('/path-to/Avenir-Roman.woff2') format('woff2'),
       url('/path-to/Avenir-Roman.woff') format('woff'),
       url('/path-to/Avenir-Roman.ttf')  format('truetype');
}

body {
  font-family: 'Avenir-Roman', sans-serif;
}

@font-face {
    font-family: 'core_mellow27_cn_extralight';
    src: url('core_mellow_27_cn_extralight.woff2') format('woff2'),
         url('core_mellow_27_cn_extralight.woff') format('woff');
    font-weight: normal;
    font-style: normal;

}
@font-face {
  font-family: 'Avenir-Book';
  src: url('Avenir-Book.eot?#iefix') format('embedded-opentype'),  url('Avenir-Book.woff') format('woff'), url('Avenir-Book.ttf')  format('truetype'), url('Avenir-Book.svg#Avenir-Book') format('svg');
  font-weight: normal;
  font-style: normal;
}
@font-face {
    font-family: 'intro_boldregular';
    src: url('intro_bold_regular.woff2') format('woff2'),
         url('intro_bold_regular.woff') format('woff');
    font-weight: normal;
    font-style: normal;

}