@font-face {
  font-family: 'OpenDyslexicRegular'; 
  src: url('otf/OpenDyslexic-Regular.otf') format('opentype');
  src:   url('woff/OpenDyslexic-Regular.woff') format('woff'),
         url('ttf/OpenDyslexic-Regular.ttf') format('truetype'),
         url('svg/OpenDyslexic-Regular.svg#opendyslexicregular') format('svg');
}