#app{height:100%;display:flex;flex-direction:column}.Tetris{margin:0 auto;max-width:360px}.Ui{max-width:120px;font-size:14px;padding:8px}.Grid{border:1px solid #ccc}.Grid-cell{height:24px;width:24px;border:1px solid #ccc}.Grid-cell[data-state="1"]{background:#666}.Grid-cell[data-state="2"]{background:#000}.Grid-cell[data-state="3"]{background:#666;animation:Willclear .3s forwards}.Grid-cell[data-state="4"]{background:#00f;opacity:.2}.Grid-cell.mini{border:none;width:12px;height:12px}.buttons{padding:8px}.buttons button{height:36px;width:100px}@keyframes Willclear{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(3)}}