body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
}

.container {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

h1 {
    color: #333;
}

a {
    color: #007bff;
}