#printMe{width:65mm;border:1px solid red}.row-span{width:60%;display:-webkit-box;display:-ms-flexbox;display:flex}.col-span{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1;width:10px}.col-span-grow-2{-webkit-box-flex:2;-ms-flex-positive:2;flex-grow:2;width:20px}.span-block{font-size:23px;display:block}