html, body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: #333333;
    color: white;
    scroll-behavior: smooth;
}

main {
    display: flex;
    flex-direction: column;
    height: 100%;
    flex: 1;
    width: 100%;
    margin: 0 auto;
    padding: 0;
}