.puzzle{margin:10px 10px;flex-basis:1}.img,.puzzle{width:100px;height:100px;border-radius:5px}@media (max-width:600px){.img,.puzzle{width:50px;height:50px}}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}.header{width:100vw;margin:0 auto}h1{color:#000;font-size:50px;margin:0}button{background:#000;color:#fff;border:none;padding:8px 16px;border-radius:4px;font-size:16px;cursor:pointer;margin:10px}button[disabled]{opacity:.2;cursor:not-allowed}.game{max-width:600px;max-height:600px;display:flex;justify-content:center;flex-wrap:wrap;margin:0 auto;border:1px solid #000}img{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none}