// @font-face mixin.
@mixin font-face ($family, $filename: $family, $weight: normal, $style: normal){
  @font-face{
    font-family: quote($family);
    src:url('fonts/#{$filename}.eot');
    src:url('fonts/#{$filename}.eot?#iefix') format('embedded-opentype'),
    url('fonts/#{$filename}.woff2') format('woff2'),
    url('fonts/#{$filename}.woff') format('woff'),
    url('fonts/#{$filename}.ttf') format('truetype'),
    url('fonts/#{$filename}.svg##{$filename}') format('svg');
    font-weight: $weight;
    font-style: $style;
  }
}