:root{--board-width: 450px;--board-height: 630px}@media (max-height: 850px){:root{--board-height: 550px}}@media (max-height: 780px){:root{--board-height: 475px}}@media (max-height: 730px){:root{--board-height: 450px}}@media (max-height: 670px){:root{--board-height: 400px}}