html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

.center-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
}

h1 {
    font-size: 3em;
    color: #333;
}