body{
    /*width: 100%;
    height: 100%;*/
    /*background: #EAEAEA;*/
    margin: 0 auto;
}

#contentWrapper{
    width: 800px;
    height: 100%;
    margin: 0 auto;
    border-left: 2px solid;
    background: white;
}

header#page_header{
    width: auto;
    height: 75px;
    margin: 0px 10px;
    padding: 10px 0px;
}

#rsrg_logo{
    width: 400px;
    height: 68px;
    display: inline;
    float: left;
    background: url(../images/rsrg.png);
}

#nsf_logo{
    width: 67px;
    height: 68px;
    display: inline;
    float: right;
    background: url(../images/nsf1_orig.gif);
    background-size: 67px;
}

header a{
    width: 400px;
    height: 68px;
    display: block;
}

nav{
    width: auto;
    clear: both;
    background: lightgrey;
    border: 1px solid black;
}

nav ul{
    list-style-type: none;
    margin: 0;
    padding: 0;
    height: 30px;
    -moz-border-radius: .5em;
    -webkit-border-radius: .5em;
    border-radius: .5em;
}

nav li{
    float: left;
}

nav a{
    color: black;
    padding: 0px 20px;
    display: block;
    line-height: 30px;
    text-decoration: none;
    border-right: 1px solid black;
    background-color: lightgrey;
}

nav a:hover{
    color: #fff;
    background-color: grey;
}

/*nav a:visited{
    color: black;
}

nav a:active{
    color: #fff;
}*/

/*nav li:first-child a {
    -moz-border-radius: 6px 0 0 6px;
    -webkit-border-radius: 6px 0 0 6px;
    border-radius: 6px 0 0 6px;
}*/

nav li:last-child a {
    /*border-right: 0;*/
    -moz-border-radius: 0 6px 6px 0;
    -webkit-border-radius: 0 6px 6px 0;
    border-radius: 0 6px 6px 0;
}

.selected{
    /*-moz-border-radius: 6px 0 0 6px;
    -webkit-border-radius: 6px 0 0 6px;
    border-radius: 6px 0 0 6px;*/
    background-color: darkgrey;
}

.selected-right{
    background-color: darkgrey;
    -moz-border-radius: 0 6px 6px 0;
    -webkit-border-radius: 0 6px 6px 0;
    border-radius: 0 6px 6px 0;
}

section{
    clear: left;
    margin: 10px 10px;
}

article{
    margin-left: 10px;
    border-bottom: 2px solid black;
}

article:last-child{
    border-bottom-style: none;
}

#github_logo{
    width: 46px;
    height: 22px;
    display: inline-block;
    background: url(../images/github_logo.png) no-repeat right top;
    background-size: 100%;
    background-position: 0 0;
}

#github_logo a{
    width: 50px;
    height: 22px;
    display: inline-block;
}

footer#page_footer{
    clear: both;
    border-top: 2px solid;
    /*position: absolute;
    bottom: 0;*/
    padding: 10px 10px;
    width: auto;
    overflow: hidden;
}
#cu_wordmark{
    float: left;
    display: inline;
    background: url(../images/wordmark.png);
}

#cu_wordmark a{
    display: block;
    width: 250px;
    height: 72px;
}

#soc_wordmark{
    float: right;
    display: inline;
    background: url(../images/computing.png);
}

#soc_wordmark a{
    display: block;
    width: 250px;
    height: 64px;
}

#html5{
    float: left;
    margin-top: 20px;
}

#html5_logo{
    width: 32px;
    height: 32px;
    margin: 0 auto;
    background: url(../images/HTML5_Badge_32.png);
}

#html5_blurb{
    width: 250px;
    text-align: center;
    margin: 0 auto;
    font-size: smaller;
}

.content_frame{
    width: 100%;
    height: 1000px;
}

.centered_content{
    text-align: center;
}