body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: 'Arial', sans-serif;
    overflow: hidden;
}

.alarm-text {
    font-size: calc(10px + 10vmin);
    text-align: center;
    position: absolute;
    width: 100%;
    z-index: 2;
}