// Conver scale factor into pixels
.fontScale(@scale: 0) {
	@list: 14px, 16px, 20px, 24px, 28px, 34px, 41px, 50px, 60px;

  	.test-args(@scale) when (@scale >= -2) and (@scale <= 6) {
		font-size: extract(@list, @scale + 3); 
	}

	.test-args(@scale);
}

// Apply font with provided size or scale
.fontTimes(@size: "") {
	font-family: "Times New Roman", serif;

	.test-args() when (ispixel(@size)) {
		font-size: @size;
	}

	.test-args() when (isnumber(@size)) and not (ispixel(@size)) {
		.fontScale(@size);
	}

	.test-args();
}