:root{display:flex;flex-direction:row;justify-content:center;align-items:center}html{--s: 82px;--c1: #e9e9e9;--c2: #ffffff;--c3: #f4f4f4;--_g: var(--c3) 0 120deg, #0000 0;background:conic-gradient(from -60deg at 50% calc(100% / 3),var(--_g)),conic-gradient(from 120deg at 50% calc(200% / 3),var(--_g)),conic-gradient(from 60deg at calc(200% / 3),var(--c3) 60deg,var(--c2) 0 120deg,#0000 0),conic-gradient(from 180deg at calc(100% / 3),var(--c1) 60deg,var(--_g)),linear-gradient(90deg,var(--c1) calc(100% / 6),var(--c2) 0 50%,var(--c1) 0 calc(500% / 6),var(--c2) 0);background-size:calc(1.732 * var(--s)) var(--s)}body{font-family:Londrina Shadow,serif;font-weight:400;font-style:normal;margin:20px;padding:0}h1{margin-top:0;font-size:4rem}h2{margin-top:0;font-size:3rem}h3{margin-top:0;font-size:2rem}h4{margin-top:0;font-size:1rem}h5{margin-top:0;font-size:.8rem}h6{margin-top:0;font-size:.5rem}code{font-size:1.2em}ul{padding-inline-start:20px}li{margin-bottom:5px;height:4rem;display:flex;flex-direction:column;align-items:center;list-style:none}*{box-sizing:border-box}button{background-color:#fff;border:1px solid #999;float:left;font-family:Londrina Shadow,serif;font-size:24px;font-weight:700;line-height:34px;padding:.5rem;text-align:center;width:250px}.square{background:#fff;border:1px solid #999;float:left;font-size:140px;font-weight:700;line-height:200px;height:200px;margin-right:-1px;margin-top:-1px;padding:0;text-align:center;width:200px}.board-row:after{clear:both;content:"";display:table}.game,.game-header{display:flex;flex-direction:row;justify-content:center}.game-container{padding:10px;background:#d3d3d3}.game-info{margin-left:20px}.winning-square{background-color:#ff0}.history{margin-top:27px}@media (max-width: 600px){.square{font-size:40px;height:100px;width:100px;line-height:100px}}@media (max-width: 400px){.game{flex-direction:column}.game-info{margin-top:20px;margin-left:0}}