.m--box { box-sizing: border-box;}.m--box * { box-sizing: border-box;}.m--relative { position: relative;}.m--absolute { position: absolute;}.m--hidden { overflow: hidden;}.m--lock { overflow: hidden;}.m--block { display: block;}.m--inline-block { display: inline-block;}.m--flex { display: flex;}.m--inline-flex { display: inline-flex;}