.lv-letter-keys{position:absolute;left:8px;right:8px;bottom:63px;display:grid;gap:7px;padding:10px 0;background:#15273aee;border-radius:14px;z-index:30;touch-action:manipulation}.lv-letter-keys>div{display:flex;justify-content:center;gap:3px}.lv-letter-keys button{width:30px;height:42px;border:1px solid #a8c7da;border-radius:7px;background:#f0f6ee;color:#193241;font:bold 17px system-ui;box-shadow:0 3px #829fbd}.lv-letter-keys button:active{transform:translateY(2px);background:#ffe29b}.lv-mix-keys .lv-input{display:none}.lv-mix-keys .lv-next{display:none}.mix-mistakes{display:grid;gap:5px;margin:12px auto;max-width:290px}.mix-mistakes button{font-size:12px;padding:8px;border:1px solid #667b9a;background:#23354a;color:#fff;border-radius:7px}.mix-mode .yy-list{height:270px}.mix-mode .yy-battle{opacity:.5}