@mixin fontdef($OpenSansPath, $OpenSansVersion, $FontType:"Regular") {
  src:  url('#{$OpenSansPath}/#{$FontType}/OpenSans-#{$FontType}.woff2?v=#{$OpenSansVersion}') format('woff2'),
        url('#{$OpenSansPath}/#{$FontType}/OpenSans-#{$FontType}.woff?v=#{$OpenSansVersion}') format('woff');
}