.board{background-color:var(--board-bg);transition:background-color .3s ease}.square{background-color:var(--square-bg);color:var(--text);transition:all .3s ease}*{transition:background-color .3s ease,color .3s ease}.light-bg{background-image:url(/bgg.svg)}.dark-bg,.light-bg{background-size:cover;background-position:50%;background-repeat:no-repeat;min-height:100vh}.dark-bg{background-image:url(/bbg.svg)}.dark-bg,.light-bg{transition:background-image .09s ease-in-out}.invert{filter:invert(1)}@media (max-width:440px){.footerContent{font-size:.72em}}