body {
    font-family: Courier New;
    font-size: 1.5rem;
    margin: 0;
}

.nav {
    display: flex;
    align-items: center;
    width: 100%;
    height: 5rem;
    background: lightgray;
    border-bottom: 1px solid dimgray;
}

.nav a {
    text-decoration: none;
    color: darkmagenta;
}

.nav ul {
    display:flex;
    margin: 0;
}

.nav li {
    padding-right: 4rem;
}

main {
    margin: 2em;
    line-height: 1.5;
    font-weight: 400;
}