body {
    font-family: 'trebuchet ms', Verdana, serif;
    line-height: 1.5;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 15rem;
    font-size: 16px;
}

@media screen and (max-width: 750px) {
    body {
        padding: 0 1rem;
    }
}

a {
    text-decoration: none;
    color: black;
}

a:hover {
    color: cornflowerblue;
}

h1,h2,h3 {
    font-family: 'Courier New', monospace;
}
main {
    text-align: center;
}