make new @font-face less.

fonts.less

/**
 * Make a new font face.
 */
.makeFontStyle( @name, @uri, @weight, @style ) {
    font-family: @name;
    src: url( '@{uri}.eot' );
    src: url( '@{uri}.ttf' ) format( 'truetype' );
    font-weight: @weight;  
    font-style: @style;
}

// create
@font-face { 
    .makeFontStyle( 'bla bla bla', 
                    'path/to/font/bla bla bla', 
                    normal/[100-900]/bold/bolder/lighter, 
                    normal/italic/oblique ); 
}