* {
    box-sizing: border-box;
}

.dsu {
    color: #BA1C21;
    font-size: 1.2em;
}

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

#redbar{
    background-color: #BA1C21;
    grid-row: 1 / 2;
    grid-column: 1 / -1;
}

#greybar{
    background-color: #424242;
    grid-row: 2 / 3;
    grid-column: 1 / -1;
}
 
body {
    margin: 0px;
    background-color: #FFFFFF;
    color: #666666;
    background-attachment: fixed;
    font-family: Verdana, sans-serif;
    background-image: linear-gradient(to bottom,#eeeeee, #ffffff);
}

header {
    background-color: #BA1C21;
    color: #FFFFFF;
    font-family: Georgia, 'Times New Roman', Times, serif;
    grid-row: 1 /2;
    grid-column: 2 / -2;
}

header h1 {
    line-height: 240%;
    height:72px;
    background-image: url('dsu.jpg');
    background-repeat:no-repeat;
    background-position: right;
    padding-left: .5em;
    margin: 0;
    text-align: left;
}

header a {
    text-decoration: none;
    color: #FFFFFF;
}

nav {
    background-color: #424242;
    font-weight: bold;
    position: sticky;
    top: 0;
    grid-row: 2 / 3;
    grid-column: 2 / -2;
}

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

nav ul li{
    width: 100%;
}

nav a {
    text-decoration: none;
    color: #FFFFFF;
    display: block;
    padding: 1rem 0rem;
    text-align: center;
}

nav a:hover {
    background-color: #BA1C21;
}

main {
    background-color: #FFFFFF;
    padding-top: 1px;
    padding-bottom: 1px;
    padding-left: 2em;
    padding-right: 2em;
    grid-row: 4 / 5;
    grid-column: 2 / -2;
}

h2 {
    color: #424242;
    font-family: Georgia, 'Times New Roman', Times, serif;
}

h3 {
    color: #BA1C21;
}

p {
    text-align: left;
}

section {
    float: left;
    margin: 0 1.5%;
    width: 30%;
}

dt {
    font-weight: bold;
    color: #BA1C21;
}

footer {
    background-color: #FFFFFF;
    font-size: .7em;
    font-style: italic;
    text-align: center;
    padding: 1em;
    grid-row: 5 / 6;
    grid-column: 2 / -2;
}

.left {
    float: left;
    width: 33%;
    padding-right: 1rem;
}
.clear {
    clear: both;
}
 
#homehero {
 height: 300px;
 background-image: url('homehero.jpg');
 background-size: cover;
 background-repeat: no-repeat;
 background-position: center;
 grid-row: 3 / 4;
 grid-column: 1 / -1;
}

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

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

 @media screen and (max-width: 1100px) {
    #wrapper{
        display:grid;
        grid-auto-rows: minmax(0px,auto);
        grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 150px)) minmax(0px, 1fr);
     }
 }

 @media screen and (max-width: 900px) {
    nav {
        background-color: #424242;
        font-weight: bold;
        position: sticky;
        top: 0;
        grid-row: 2 / 3;
        grid-column: 1 / 5;
    }
    
    nav ul{
        list-style-type: none;
        text-decoration: none;
        margin: 0px;
        padding: 0px;
        display: flex;
        flex-flow:column nowrap;
    } 
    #homehero {
        height: auto;
        background-image: url('homehero.jpg');
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        grid-row: 2 / 3;
        grid-column: 5 / 8;
       }
       
    #studenthero {
        height: auto;
        background-image: url('studenthero.jpg');
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        grid-row: 2 / 3;
        grid-column: 5 / 8;
        }
       
    #facultyhero {
        height: auto;
        background-image: url('facultyhero.jpg');
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        grid-row: 2 / 3;
        grid-column: 5 / 8;
        }
    section {
        float: none;
        width: 100%;
        padding-left: 0px;
    }
 }

 @media screen and (max-width: 600px) {
    header h1 {
        line-height: 240%;
        height:72px;
        background-image: none;
        background-repeat:no-repeat;
        background-position: right;
        padding-left: .5em;
        margin: 0;
        text-align: center;
    }
    nav {
        background-color: #424242;
        font-weight: bold;
        position: sticky;
        top: 0;
        grid-row: 2 / 3;
        grid-column: 1 / -1;
    }
    #homehero {
        display: none;
        height: 300px;
        background-image: url('homehero.jpg');
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        grid-row: 3 / 4;
        grid-column: 1 / -1;
       }
       
    #studenthero {
        display: none;
        height: 300px;
        background-image: url('studenthero.jpg');
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        grid-row: 3 / 4;
        grid-column: 1 / -1;
        }
       
    #facultyhero {
        display: none;
        height: 300px;
        background-image: url('facultyhero.jpg');
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        grid-row: 3 / 4;
        grid-column: 1 / -1;
        }
 }