body {
    font-size:0.33vw;
    margin:0;
    padding:0;
}

div {
    height:100vh;
    display:flex;
    align-items: center;
    justify-content: center;
}

pre {
    width:fit-content;
    margin:0 auto;
}

@media screen and (max-width:600px){
    body {
        font-size:0.5vw;
    }
}