style.css

:root {
    --color-background: rgb(219, 213, 148);
    --color-accent: rgb(52, 130, 44);
    --color-accent-hover: rgb(46, 120, 40);
    --color-link: rgb(53, 110, 49);
    --color-button-border: rgb(165, 161, 114);
    --color-button-background: rgb(219, 213, 148);
    --color-button-background-hover: rgb(199, 193, 128);
    --color-object: rgb(238, 235, 198);
    --color-object-border: rgb(165, 161, 114);
}

* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
    background-clip: border-box;
}

body {
    background-image: url("/mfsl/images/background_forest.jpg");
    background-attachment: fixed;
}

.content {
    max-width: 1200px;
    margin: 0 auto;
}

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

.button {
    padding: 8px;
    border: 2px solid var(--color-button-border);
    border-radius: 5px;
    background-color: var(--color-button-background);
    color: black;
    text-decoration: none;
}

.button:hover {
    background-color: var(--color-button-background-hover);
}

/* -------------------- TOOLTIPS -------------------------- */

.tooltip {
    box-sizing: content-box;
    position: relative;
    display:inline;
}

.tooltip.wide .tooltiptext {
    width: 600px;
}

.tooltip.medium .tooltiptext {
    width: 400px;
}

.tooltip .tooltiptext {
    position: absolute;
    display: none;
    background-color: black;
    color: white;
    text-align: center;
    padding: 5px;
    border-radius: 6px;
    border: 2px solid rgb(60, 60, 60);
    right: -10px;
    top: 50%;
    transform: translate(100%, -50%);
    z-index: 1;
}

.tooltip:hover .tooltiptext {
    display: block;
}

/* -------------------- HEADER ---------------------------- */

header {
    display: grid;
    grid-template: 1fr / 162px 1fr;
    background-color: var(--color-background);
    border-radius: 20px 20px 0 0;
    border: 10px solid var(--color-accent);
    border-bottom: 0;
    height: 130px;
}

header h1 {
    height: 100%;
    width: 100%;
    margin: 0;
    line-height: 120px;
    text-align: center;
}

header img {
    width: 162px;
    height: 120px;
    border-radius: 20px 0 0 0;
    padding: 5px 5px;
}

/* -------------------- NAVAGATION BAR -------------------- */

nav {
    text-align: center;
    font-size: 1em;
    position: relative;
}

nav ul {
    background-color: var(--color-accent);
}

nav .nav-header {
    height: 40px;
    display: inline-block;
    transition: 0.2s;
}

nav .nav-header:hover {
    background-color: var(--color-accent-hover);
}

nav .nav-header a {
    text-decoration: none;
    line-height: 40px;
    padding: 0 10px;
    color: white;
    display: block;
}

nav .nav-header .dropdown {
    display: none;
    position: absolute;
    text-align: left;
    background-color: var(--color-accent);
    top: 40px;
    border-radius: 0 0 4px 4px;
    padding: 5px 0;
}

nav .nav-header:hover .dropdown {
    display: block;
    z-index: 1;
}

nav .dropdown .menu-item {
    padding: 0;
    list-style: none;
    border: 2px solid var(--color-accent);
    border-width: 2px 0;
    width: 100%;
    transition: 0.2s;
}

nav .dropdown .menu-item a {
    display: block;
}

nav .dropdown .menu-item:hover {
    background-color: var(--color-accent-hover);
}

/* -------------------- MAIN PAGE CONTENT ----------------- */

main {
    background-color: var(--color-background);
    border: 10px solid var(--color-accent);
    border-top: 0;
}

/* -------------------- HOME PAGE ------------------------- */

main.banner .image-box {
    position: relative;
    height: 300px;
    width: 400px;
    padding: 20px 0;
    margin: 0 auto;
}

main.banner button {
    position: absolute;
    height: 30px;
    width: 30px;
    background-color: black;
    color: white;
    border: 0;
}

main.banner .button-left {
    top: 135px;
    left: -15px;
}

main.banner .button-right {
    top: 135px;
    right: -15px;
}

main.banner .nav-buttons {
    position: absolute;
    text-align: center;
    bottom: 30px;
    width: 400px;
    height: 15px;
}

main.banner .nav-buttons button {
    position: relative;
    display: inline-block;
    height: 15px;
    width: 15px;
    background-color: white;
    border: 2px solid gray;
    border-radius: 50%;
}

main.banner img {
    width: 100%;
    height: 100%;
    display: none;
    margin: 0 auto;
    position: relative;
    z-index: 0;
}

main.banner .slide-caption {
    position: absolute;
    color: gray;
    background-color: lightgray;
    font-style: italic;
    bottom: 50px;
    left: 20px;
}

/* -------------------- BAERTOOLS PAGE ------------------- */

main.baertools .page-content {
    padding: 20px;
}

/* -------------------- VAR CALCULATIONS PAGE ------------ */

main.var-calculations .page-content {
    padding: 20px;
}

/* -------------------- FS WEPP PAGE --------------------- */

main.fswepp .page-content {
    padding: 20px;
}

main.fswepp .item {
    margin: 10px auto;
    max-width: 600px;
    background-color: var(--color-object);
    border: 4px solid var(--color-object-border);
    border-radius: 8px;
}

main.fswepp .grid {
    margin: 20px;
    display: grid;
    grid-template-columns: 1fr 5fr;
    grid-template-rows: 2fr 1fr;
}

main.fswepp .grid .image {
    grid-column: 1;
    grid-row: 1 / span 2;
    margin: auto auto;
}

main.fswepp .grid .description {
    grid-column: 2;
    grid-row: 1;
}

main.fswepp .grid .run {
    text-align: center;
    padding: 10px;
}

main.fswepp .grid .run .button {
    display: inline;
    margin: 0 10px;
}

/* -------------------- RESEARCH PROGRAMS PAGE ----------- */

main.research-programs .page-content {
    padding: 20px;
}

/* -------------------- PUBLICATIONS PAGE ---------------- */

main.publications .page-content {
    padding: 20px;
}

/* -------------------- CONTACT US PAGE ------------------ */

main.contact-us .page-content {
    padding: 20px;
    text-align: center;
}

main.contact-us .contact-info {
    text-align: center;
    display: inline-block;
    margin-bottom: 20px;
}

main.contact-us .contact-info .address, .contact {
    display: inline-block;
    padding: 0 20px;
}

main.contact-us .page-content .contact-message {
    text-align: center;
}

.contact-message p {
    max-width: 400px;
    display: inline-block;
}

/* -------------------- FOOTER --------------------------- */

footer {
    height: 80px;
    background-color: var(--color-background);
    border: 10px solid var(--color-accent);
    border-top: 0;
    border-radius: 0 0 20px 20px;
    line-height: 1.2em;
    text-align: center;
}

footer p {
    padding-top: 5px;
}

footer p a {
    color: #00C;
    text-decoration: underline;
}