/*Generic selectors*/
*{
    box-sizing: border-box;
}
body {
    background-color: #FFFFFF;
    background-image: linear-gradient(#eeeeee, #ffffff);
    background-attachment: fixed;
    color: #666666;
    font-family: Arial, Helvetica, sans-serif;
    margin: 0px 0px 0px 0px;
}

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

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

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

footer{
    background-color: white;
    font-style: italic;
    font-size: 0.7em;
    text-align: center;
    padding: 1em;
    grid-row: 5 / 6;
    grid-column: 2 / -2;
}

table{
    margin: 0 auto;
    width: 100%;
    border-collapse: collapse;
}

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

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

h3{
    color: #BA1C21;
}

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

form{
    display:grid;
    grid-template-rows: auto;
    grid-template-columns: 200px 1fr;
    grid-gap: 0.75rem;
    width:100%;
}

label{
    text-align: right;
}

video{
    float:right;
    margin-left:2em;
}

/*Multi Selectors*/
th, td{
    padding: 5px;
    text-align: center;
}

table, tr, th, td{
    text-align: center;
    border: #424242 solid 1px;
}

input, textarea{
    font-size: 1rem;
    padding: 10px;
    background-color: #fafafa;
    color: #666666;
    border: none;
}

/*Descendant selectors*/
header h1{
    line-height: 240%;
    padding-left: 0.5rem;
    background-image: url("dsu.jpg");
    background-position: right;
    background-repeat: no-repeat;
    padding-left: 1em;
    margin: 0px;
    height: 72px;
    grid-row: 1 / 2;
    grid-column: 2 / -2;
}

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

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

nav ul li{
    width:100%;
}

nav a{
    text-decoration: none;
    text-align:center;
    color: #FFFFFF;
    padding: 1rem 0rem;
    display:block;
    transition: background-color 0.5s ease-out;
}



/*PsuedoClass Selectors*/
nav a:hover{
    background-color: #BA1C21;
}

tr:nth-of-type(2n+1){
    background-color: #F3F3F3;
}

tr:first-of-type{
    background: white;
}

input, textarea:focus{
    outline: none;
    background-color: #f0f0f0;
}

/*Class selectors*/
.dsu{
    color: #BA1C21;
    font-size: 1.2em;
}

.clear{
    clear:both;
}

.text{
    text-align:left;
}

/*Id Selectors*/
#wrapper{
    display:grid;
    grid-auto-rows:minmax(40px, 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;
}

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

#mySubmit{
    width:10rem;
    grid-column: 2 / 3;
}


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

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

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

/*Media query selectors*/
@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-row: 2 / 3;
        grid-column: 1 / 5;
    }

    nav ul{
        flex-flow:column nowrap;
    }

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

    video{
        float:none;
        width:100%;
        height:auto;
        margin:0px;
    }

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

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

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

@media only screen and (max-width: 600px){
    header h1{
        background-image: none;
        text-align: center;
    }

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

    #homehero{
        display:none;
    }

    #studenthero{
        display:none;
    }
    
    #facultyhero{
        display:none;
    }

    #alumnihero{
        display:none;
    }
}