*{margin:0;padding:0;outline:none;border:none;box-sizing:border-box}html{font-size:10px}body{display:flex;justify-content:center;align-items:center;min-height:100vh;overflow:hidden;font:2.5rem Architects Daughter,cursive;color:#2696aa;opacity:.8;background-image:radial-gradient(#444cf7 .5px,#e5e5f7 .5px);background-size:10px 10px}button{-webkit-tap-highlight-color:transparent}.reset-btn{color:#fff;-webkit-user-select:none;user-select:none;cursor:pointer;margin-top:4rem;padding:.7rem 1.7rem;background-color:#2696aa;font:2.1rem Architects Daughter,cursive;border:.1rem solid #188ca179;border-radius:.1rem}.reset-btn:active{transition:transform .2s ease;transform:scale(.98)}.reset-btn:hover{transition:background-color .5s ease;background-color:#007e94}.board{margin-bottom:5rem;display:grid;grid-template:repeat(3,1fr) / repeat(3,1fr)}.board-row:nth-child(1) .square{border-bottom:3px solid skyblue}.board-row:nth-child(2) .square{border-top:3px solid skyblue;border-bottom:3px solid skyblue}.board-row:nth-child(3) .square{border-top:3px solid skyblue}.board-container{position:relative;width:300px;height:300px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr)}.square{display:flex;justify-content:center;align-items:center;font-size:2rem;font-weight:700;background:none;border:none;outline:none}.square{border:3px solid skyblue}.square:nth-child(1),.square:nth-child(2){border-right:3px solid skyblue}.square:nth-child(2),.square:nth-child(3){border-left:3px solid skyblue}.square:nth-child(-n+3){border-top:none}.square:nth-child(3n+1){border-left:none}.square:nth-child(3n){border-right:none}.square:nth-last-child(-n+3){border-bottom:none}.square:nth-child(n+7){border-bottom:none}.winner{text-align:center}::selection{color:#ebf8e1;background-color:#2696aa}@media screen and (max-width: 700px){html{font-size:9px}}@media screen and (max-width: 300px){html{font-size:8px}}.strike{position:absolute;background-color:#000;border-radius:2px}.strike.horizontal-0{top:50px;left:0;width:300px;height:4px}.strike.horizontal-1{top:150px;left:0;width:300px;height:4px}.strike.horizontal-2{top:250px;left:0;width:300px;height:4px}.strike.vertical-0{top:0;left:50px;width:4px;height:300px}.strike.vertical-1{top:0;left:150px;width:4px;height:300px}.strike.vertical-2{top:0;left:250px;width:4px;height:300px}.strike.diagonal-0{top:0;left:0;width:424px;height:4px;transform:rotate(45deg);transform-origin:top left}.strike.diagonal-1{top:0;right:0;width:424px;height:4px;transform:rotate(-45deg);transform-origin:top right}.game-info{display:flex;flex-direction:column;align-items:center;justify-content:center;margin-top:20px;text-align:center}.game-info .reset-btn{margin-top:1rem}