*,*:before,*:after{box-sizing:border-box;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}#root{display:flex;justify-content:center}body{background-color:#d3d3d3}#board{margin:5px;border-right:rgb(128,128,128) 3px solid;border-bottom:rgb(128,128,128) 3px solid;border-top:rgb(255,255,255) 3px solid;border-left:rgb(255,255,255) 3px solid}.cell{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;vertical-align:top;background-color:silver;border-right:rgb(128,128,128) 3px solid;border-bottom:rgb(128,128,128) 3px solid;border-top:rgb(255,255,255) 3px solid;border-left:rgb(255,255,255) 3px solid;font-weight:700}.cell.red{color:red}.cell.green{color:green}.cell.blue{color:#00f}.cell.open{border:1px solid rgb(128,128,128);background-color:silver}