@media screen and (min-width: 900px) {
    #wrapper {
        display: flex;
    }

    #center-wrapper {
        width: 900px;
        margin: auto;
    }
}


html {
    font-family: sans-serif;
    --content-color: white;
    --link-color: rgb(199, 26, 26);
    --link-color-visited: rgb(128, 0, 0);
    --content-border: 1px solid;
    --border-color: white;
    overflow-y: scroll;
    color: #2f2f2f;
    background-color: white;
}

hr {
    height: 0px;
    border: none;
    border-top: 1px solid black;
}

body {
    margin: 0;
}

header {
    margin-bottom: 20px;
    width: 100%;
    height: 100%;
}

a:link { 
    color: var(--link-color);
}

a:visited {
    color: var(--link-color-visited)
}

img {
    max-width: 100%;
    height: auto;
}

table {
    border-collapse: collapse;
    font-size: 10pt;
}

td {
    border-top: 1px solid #ddd;
    padding: 4px
}

main {
    background-color: var(--content-color);
    border: var(--content-border);
    border-radius: 10px;
    border-color: var(--border-color);
    margin: 2px;
}

main > h2 {
    margin: 0px;
}

@media screen and (max-width: 900px) {
    #header-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    html {
        font-size: 1.1em;
    }

    header > h1 {
        text-align: center;
    }

    #center-wrapper {
        margin-left: 10px;
        margin-right: 10px;
    }
}

footer {
    font-size: .9rem;
}

.blurb {
    background-color: #eaeaea;
    padding: 1em;
    border-radius: 7px;
    margin: 0.5em;
}

.blurb-button {
    padding: 1em;
    border-radius: 7px;
    margin: 0.5em;
    text-decoration: none;
}

.blurb-button:hover {
    background-color: #eaeaea;
}

.blurb-button h4, .blurb h4 {
    margin: 0 0 3px;
}

.buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    margin: auto;
}