body { 
    background-color: #FFFFFF;
        color: #666666;
    font-family: Verdana, Arial;
    background-image: linear-gradient(to bottom, #eeeeee, #ffffff);
    background-attachment: fixed;
    margin: 0;
}
header, nav, main, footer {
    display: block;
}

* {
    box-sizing: border-box;
}
header {
    background-color: #BA1C21;
    color: #FFFFFF;
    font-family: Georgia, serif;
        grid-area: 1 / 2 / 2 / 8; 
}

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

header h1 {
    line-height: 240%;
    padding-left: .5rem;
    margin: 0;
    background-image: url(dsu.jpg);
    background-position: right;
    background-repeat: no-repeat;
    height: 72px;
    padding-left: 1em;
}

main {
    padding-left: 2em;
    padding-right: 2em;
    padding-top: 1px;
    padding-bottom: 1px;
    display: block;
    background-color: #FFFFFF;
    grid-area: 4 / 2 / 5 / 8;
}

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

clear {
    clear: both;
}

#homehero {
    height: 300px;
    background-size: cover;
    background-position: center;
    background-image: url(homehero.jpg);
    grid-area: 3 / 1 / 4 / 9;
}

#studenthero {
    height: 300px;
    background-size: cover;
    background-position: center;
    background-image: url(studenthero.jpg);
    grid-area: 3 / 1 / 4 / 9;
}

#facultyhero {
    height: 300px;
    background-size: cover;
    background-position: center;
    background-image: url(facultyhero.jpg);
    grid-area: 3 / 1 / 4 / 9;
}

#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-area: 1 / 1 / 2 / 9; 
}

#greybar{
    background-color: #424242;
    grid-area: 2 / 1 / 3 / 9;
}

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

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

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

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

nav li {
    width: 100%;
}

table {
    margin: 0 auto;
    border: 1px #424242;
    width: 100%;
    border-collapse: collapse;
}

td {
    padding: 5px;
    border: 1px #424242;
    text-align: center;
}

th {
    padding: 5px;
    border: 1px #424242;
}

 :nth-of-type(3){
    background-color: #F3F3F3;
}

text {
    text-align: left;
}

h2 {
    color: #424242;
font-family: Georgia, serif;
}

h3 {
    color: #BA1C21;
}

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

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

footer {
    font-size: .70em;
    font-style: italic;
    text-align: center;
    padding: 1em;
    background-color: #FFFFFF;
    grid-area: 5 / 2 / 6 / 8;
}

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

@media only screen and (max-width: 900px) {
  nav { 
    grid-area: 2 / 1 / 3 / 5;
  }
    nav ul {
        flex-flow: column nowrap;
  }
    #homeherom {
        grid-area: 2 / 5 / 3 / 8;
        height: auto;
  }
    #studenthero {
        grid-area: 2 / 5 / 3 / 8;
        height: auto;
  }
    #facultyhero {
        grid-area: 2 / 5 / 3 / 8;
        height: auto;
  }
    section {
        float: none;
        width: 100%;
        padding-right: 0px;
  }
} 

@media only screen and (max-width: 600px) {
  header h1 { 
    background-image: none;
    text-align: center;
  }
    nav {
     grid-area: 2 / 1 / 3 / 9;
  }
    #homeherom {
        display: none;
  }
    #studenthero {
        display: none;
  }
    #facultyhero {
        display: none;
  }
}