#checkDevice {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    font-size: 24px;
    color: #333;
    background-color: #f3f3f3;
    z-index: 1000;
    position: absolute;
    top: 0;
}