:root {
   font-size: 16px; 
}

body,html {
    width: 100vw;
    margin: 0;
    padding: 0;
}


header h1 {
    font-size: 2rem;
}


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