media with nubers

media.less

@max1200: ~"(max-width: 1199px)";
@max992: ~"(max-width: 991px)";
@max768: ~"(max-width: 767px)";
@max320: ~"(max-width: 320px)";
@min1200: ~"(min-width: 1200px)";
@min992: ~"(min-width: 992px)";
@min768: ~"(min-width: 768px)";
@min320: ~"(min-width: 321px)";
@992to1200: @min992 and @max1200;
@768to992: @min768 and @max992;
@768to1200: @min768 and @max1200;
@320to768: @min320 and @max768;
@320to992: @min320 and @max992;
@320to1200: @min320 and @max1200;

// @media @maxxs {
//     param: val;
// }