body {
    background-color: lightgray;
    margin: 0;
    padding: 0;
}

main {
    background-color: white;
    margin: 3em 4em 3em 4em;
    padding: 1em;
}

h1 {
    background-color: #333e97;
    color: white;
    font-family: serif;
    padding: 0.5em 1em 0.5em 1em;
}

h2 {
    color: #333e97;
    font-family: serif;
}

ul.page-link li {
    display: inline;
    list-style-type: none;
    margin: 0 1em 0 1em;
}

.center {
    text-align: center;
}