:root {
    --background-color: #ffffff;
    --foreground-color: #2d3436;
    --caption-color: #2d3436;
    --accent-color: #0487e2;
    --hover-color: #b0d6f5;
    --tile-color: #f0f0f0;
}

body {
    background-color: var(--background-color);
    color: var(--foreground-color);
    display: flex;
    flex-direction: column;
    font-family: sans-serif;
    margin: 0;
    min-height: 100vh;
}

main {
    flex: 1;
}

footer {
    background-color: var(--tile-color);
    margin-top: 50px;
    padding: 10px 0;
}

main>*,
footer>* {
    margin: auto;
    max-width: 900px;
    padding: 0px 15px;
}

header>nav {
    flex: 0 0;
    margin-top: 20px;
    margin-bottom: 50px;
    text-align: center;
}

header>nav ul {
    padding: 0;
}

header>nav li {
    display: inline;
    font-weight: bold;
    marker: none;
    margin: auto 50px;
    word-break: keep-all;
}

main>nav {
    /* font-size: small; */
    font-weight: bold;
    max-width: 250px;
    margin: 0 0 0 50px;
    overflow-y: visible;
    padding: 0px 15px;
    position: sticky;
    top: 50px;
    height: 1px;
}

main>nav ul {
    list-style: none;
    padding: 0;
}

main>nav li {
    padding: 10px 1em;
}

h2 {
    background-color: var(--caption-color);
    color: var(--background-color);
    margin-left: -15px;
    margin-right: -15px;
    margin-top: 50px;
    padding: 6px 15px;
}

a {
    color: var(--accent-color);
    font-weight: bold;
    text-decoration: none;
}

p {
    text-align: justify;
}

address {
    font-style: normal;
}

.research-image {
    width: 100%;
}

#title {
    align-items: center;
    background-color: #a0a0a0;
    background-image: url(top-image.jpg);
    background-position-y: center;
    background-size: cover;
    display: flex;
    font-size: 5em;
    font-weight: normal;
    justify-content: center;
    margin: 0;
    min-height: 500px;
    text-align: center;
    text-shadow:
        3px 3px 3px var(--background-color), -3px -3px 3px var(--background-color),
        -3px 3px 3px var(--background-color), 3px -3px 3px var(--background-color),
        3px 0px 3px var(--background-color), -3px -0px 3px var(--background-color),
        0px 3px 3px var(--background-color), 0px -3px 3px var(--background-color);
}

.tile {
    padding: 1px 15px;
    margin: 0px -15px;
}

li {
    padding: 10px 10px;
    text-align: justify;
}

ol>li:hover,
.tile:hover {
    background-color: var(--tile-color);
}

.url {
    word-break: break-all;
}

@media print {
    body {
        background-color: white;
        min-height: 0;
    }

    #title {
        min-height: 0px;
        font-size: 2em;
    }
}

@media screen and (max-width:1500px) {
    main>nav {
        height: auto;
        margin: 50px auto auto auto;
        max-width: 900px;
        position: static;
    }
}

@media screen and (max-width:750px) {
    #title {
        font-size: 3em;
    }

    header>nav li {
        display: block;
        margin: auto 5px;
    }
}