body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: Arial, sans-serif;
}

.language-select {
    position: absolute;
    top: 20px;
    right: 20px;
}

header h1 {
    margin: 0;
}

main {
    text-align: center;
}