html{
    min-height:100%;/* make sure it is at least as tall as the viewport */
    position:relative;
}
body{
	font-family:sans-serif;
   height:100%; /* force the body element to match the height of the HTML element */
}


h1 {color: navy;}
h2 {color: navy;}
h3 {color: navy;}


.navmenu ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 170px;
    background-color: #f1f1f1;
    position: absolute;
    left:0;
    top: 0;
    bottom: 0;
    overflow: auto;
}

.navmenu li a {
    display: block;
    color: #000;
    padding: 8px 0 8px 16px;
    text-decoration: none;
}

.navmenu li a.active {
    background-color: blue;
    color: white;
}

.navmenu li a.homepage {
	background-color: navy;
	color: white;
}

.navmenu li a:hover:not(.active) {
    background-color: #555;
    color: white;
}

.main {
	margin-left: 170px;
	padding: 1px 16px;
	min-width: 540px;
}

.mainwithcalendar {
	margin-left: 170px;
	margin-right: 300px;
	padding: 1px 16px;
	min-width: 540px;
}

.calendar {
	margin: 0;
	padding: 0;
	float: right;
	width: 300px;
}

.box {
	width: 230px;
	height: 230px;
	float: left;
	margin-top: 0;
	margin-bottom: 40px;
	margin-left: 0;
	margin-right: 40px;
	position: relative;
}

.researchpicture {
	width: 230px;
	height: 180px;
	position: absolute;
	bottom: 0;
	z-index: -1;
}

ul.plain {
	margin-left:0;
	margin-top:0;
	margin-bottom:0;
	padding-left:0;
	list-style-type: none;
}