Mixed colors

[avanes]

    it('converts mixed `#rgb`, `#rgb.a`, `black()`, `white` to propper rgba in series', function () {
        test('div{ border-color: #0fc #000.2 white(.3) black }', 'div{ border-color: #0fc rgba(0, 0, 0, 0.2) rgba(255, 255, 255, 0.3) black }');
    });