body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
}

h1 {
    font-size: 2.5em;
    margin: 0;
}

.update-date {
    margin-top: 20px;
    font-size: 1em;
    color: gray;
}