.y-keyboard{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);padding:10px;border-radius:10px}.y-keyboard::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.key-item{cursor:pointer;display:flex;justify-content:center;align-items:center;background:#fff;color:#222;border-radius:4px;-webkit-user-select:none;user-select:none}.key-item:hover{font-weight:bolder;background:#dadada}