[SCSS] - @font-face mixin

typeface.scss

/**
 * Build @font-face
 *
 * @vars {@family}, {@path}, {@weight}, {@style}
 */
@mixin typeface($family, $path, $weight: normal, $style: normal) {
  @font-face { 
    font-family:$family;
    
    src: url('#{$path}.woff2') format('woff2'),
         url('#{$path}.woff') format('woff'),
         url('#{$path}.ttf') format('truetype');
        
    font-weight:$weight;
    font-style:$style;
  }
}