:root {
    --main-color:   #ba1c21;
    --link-color:   #0066d6;
    --white:        #ffffff;
    --offwhite:     #f3f3f3;
    --dark-white:   #eeeeee;
    --light-grey:   #666666;
    --dark-grey:    #424242;
}

* {
    box-sizing: border-box;
}

h1 {
    margin-bottom: 0;
    padding-left: .5rem;
}

h2 {
    color: var(--dark-grey);
    font-family: Georgia, serif;
}

h3 {
    color: var(--main-color);
}

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

body {
    background-image: linear-gradient(to bottom, var(--dark-white), var(--white));
    background-attachment: fixed;
    color: var(--light-grey);
    font-family: Verdana, sans-serif;
    margin: 0px;
}

header {
    background-color: var(--main-color);
    color: var(--white);
    font-family: Georgia, serif;
    grid-column: 2 / -2;
    grid-row: 1 / 2;
}

header h1 {
    line-height: 240%;
    background-image: url("../assets/dsu.jpg");
    margin: 0;
    padding: 0 0 0 1em;
    height: 72px;
    background-position: right;
    background-repeat: no-repeat;
}

header a {
    color: var(--white);
    text-decoration: none;
}

nav {
    background-color: var(--dark-grey);
    font-weight: bold;
    grid-column: 2 / -2;
    grid-row: 2 / 3;
    position: sticky;
    top: 0;
}

nav a {
    text-decoration: none;
    text-align: center;
    color: var(--white);
    padding: 1rem 0rem;
    display: block;
}

nav a:hover {
    background-color: var(--main-color);
}

nav ul {
    list-style-type: none;
    margin: 0px;
    padding: 0px;
    display: flex;
    flex-flow: row nowrap;
}

nav ul li {
    width: 100%;
}

main {
    padding: 0 2em;
    display: block;
    background-color: var(--white);
    padding-top: 1px;
    padding-bottom: 1px;
    grid-column: 2 / -2;
    grid-row: 4 / 5;
}

section {
    float: left;
    width: 33%;
    padding-right: 1rem;
}

table {
    margin: 0 auto;
    border: 1px;
    width: 100%;
    border-color: var(--dark-grey);
    border-collapse: collapse;
}

td, th {
    padding: 5px;
    border: 1px solid var(--dark-grey);
}

td {
    text-align: center;
}

tr:nth-of-type(even) {
    background-color: var(--offwhite);
}

dt {
    color: var(--main-color);
    font-weight: bold;
}

footer {
    font-size: .70em;
    font-style: italic;
    text-align: center;
    padding: 1em;
    background-color: var(--white);
    grid-column: 2 / -2;
    grid-row: 5 / 6;
}

#wrapper {
    display: grid;
    grid-auto-rows: minmax(0px, auto);
    grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 175px)) minmax(0px, 1fr);
}

#homehero {
    height: 300px;
    background-image: url("../assets/homehero.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    grid-column: 1 / -1;
    grid-row: 3 / 4;
}

#studenthero {
    height: 300px;
    background-image: url("../assets/studenthero.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    grid-column: 1 / -1;
    grid-row: 3 / 4;
}

#facultyhero {
    height: 300px;
    background-image: url("../assets/facultyhero.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    grid-column: 1 / -1;
    grid-row: 3 / 4;
}

#alumnihero {
    background-image: none;
}

#redbar {
    background-color: var(--main-color);
    grid-column: 1 / -1;
    grid-row: 1 / 2;
}

#greybar {
    background-color: var(--dark-grey);
    grid-column: 1 / -1;
    grid-row: 2 / 3;
}

.dsu {
    color: var(--main-color);
    font-size: 1.2em;
}

.clear {
    clear: both;
}

.text {
    text-align: left;
}

@media screen and (max-width: 900px) {
    
    nav {
        grid-column: 1 / 5;
        grid-row: 2 / 3;
    }

    nav ul {
        flex-flow: column nowrap;
    }

    section {
        float: none;
        width: 100%;
        padding-right: 0px;
    }

    #homehero {
        grid-column: 5 / 8;
        grid-row: 2 / 3;
        height: auto;
    }

    #studenthero {
        grid-column: 5 / 8;
        grid-row: 2 / 3;
        height: auto;
    }

    #facultyhero {
        grid-column: 5 / 8;
        grid-row: 2 / 3;
        height: auto;
    }
}

@media screen and (max-width: 600px) {

    header h1 {
        background-image: none;
        text-align: center;
    }

    nav {
        grid-column: 1 / -1;
        grid-row: 2 / 3;
    }

    #homehero {
        display: none;
    }

    #studenthero {
        display: none;
    }

    #facultyhero {
        display: none;
    }
}