body {
  font-family: "Lato", sans-serif;
}


.corner {
  height: 130px;
  width: 210px;
  position: fixed;
  z-index: 3;
  top: 0;
  left: 0;
  overflow-x: hidden;
  padding-top: 0px;
  background-color: #282828;
}


.cornerText {
  font-size: 12px;
  padding-top:0px;
  color: #ffffff;
  margin:2px;
}


li.cornerText {
  color: #ffffff;
}

.VCenter {
  padding-top: 40px;
}

.sidenav {
  height: calc(100% - 60px);
  width: 210px;
  position: fixed;
  z-index: 2;
  font-size: 20px;
  top: 0;
  left: 0;
  background-color: #010101;
  overflow-x: hidden;
  padding-top: 130px;
}

/* Style the sidenav links and the dropdown button */
.sidenav a, .dropdown-btn {
  padding: 6px 8px 6px 16px;
  text-decoration: none;
  color: #818181;
  display: block;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  outline: none;
}

.dropdown-btn {
  font-size: 20px;
  padding: 0;
}

/* On mouse-over */
.sidenav a:hover, .dropdown-btn:hover {
  color: #f1f1f1;
}

.main {
  margin-top: 105px; 
  margin-left: 210px;
  font-size: 16px; 
  padding-top: 40px; 
  color: #000000;
}

.mainContents {
  margin-top: 105px; 
  margin-left: 210px;
  font-size: 16px; 
#  padding-top: 20px; 
  color: #000000;
}

.main2 {
/*  margin-top: 105px; */
  margin-left: 210px;
  font-size: 16px; 
  padding-top: 0px; 
  color: #000000;
}

/* Add an active class to the active dropdown button */
.active {
  background-color: green;
  color: white;
}

.neutral {
margin:0;
}

a.xxx {
  all:revert;
  padding: 6px 8px 6px 16px;
  text-decoration: none;
  color: #818181;
  display: block;
  border: none;
  width: 100%;
  text-align: left;
}

a.active {
  background-color: green;
  color: white !important;
}


/* Dropdown container (hidden by default). Optional: add a lighter background color and some left padding to change the design of the dropdown content */
.dropdown-container {
  display: block;
  background-color: #262626;
  padding-left: 8px;
  font-size: 16px; 
}

.dropdown-container:hover {
  display: block;
  background-color: #262626;
  font-size: 16px; 
  padding-left: 8px;
}

/* Optional: Style the caret down icon */
.fa-caret-down {
  font-size: 14px; 
  float: right;
  padding-top: 5px;
  padding-right: 30px;
}

/* Some media queries for responsiveness */
/*@media screen and (max-height: 450px) {
  .sidenav {padding-top: 15px;}
  .sidenav a {font-size: 18px;}
}*/

.contents {
	margin: auto;
	width: 66%;
	min-width: 800px;
	background-color: #f0f0f0b0;
}

.contentsThumbnailHead {
	padding: 10px;
	margin: auto;
	width: 75%;
	background-color: #ffffff80;
}

.contentsNarrow {
	margin: 0;
	position: absolute;
	top: calc(50% + 80px);
	left: calc(50% + 105px);
	transform: translate(-50%, -50%);
	background-color: #f0f0f0a0;
}

/*.contentsNarrow {
	position: relative;
	margin: auto;
	width: 40%;
	background-color: #f0f0f0a0;
}
*/

.contentsNarrowCenter {
	margin: auto;
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
}

.contentsInner {
	padding: 10px;
  font-size: 20px;
#  display: table;
  margin: 100px;
}

.contents h4 {
  margin-bottom: 7px;
  font-size: 20px;
}

.contents h5 {
  margin-top: 0px;
  margin-bottom: 0px;
  font-size: 20px;
}

/*--------------------------------------------*/

.mainHeading {
  font-size: 18px;
  padding: 0px;
  margin-top: 0px;
  margin-left: 210px;
  top: 0px;
  left: 0px;
  width: calc(100% - 210px);
  height: 130px;
  position: fixed;
  color: #ffffff;
  background-color: #404040;
}


/*--------------------------------------------*/

.mainHeading h2 {
margin-bottom: -2px;
margin-top: 8px;
}

.mainHeading h3 {
margin-top: 10px;
}

.mainHeading1 {
	font-size:14px;
	padding-bottom:7px;
}

.mainHeading2 {
	margin-top:7px;
}

.mainTiny {
	margin-bottom:7px;
	font-size:14px;
}


.mainHeading3 {
	padding-top:-15px;
}

table.outerTable {
	text-align:center;
}

th.outerTableSep {
	height: 80px;
}

td.outerTable {
	padding: 20px;
}

tr.outerTable:nth-child(even) {background-color: #f0f0f080;}
tr.outerTable:nth-child(odd) {background-color: #c0c0c080;}

table.smallTable {
	text-align:center;
}

td.smallTable {
	padding: 20px;
}

.thumbnail:hover {
transform: scale(2.4);
background-color: #d0d0d0d0;
}

.thumbnail:active {
transform: scale(4);
background-color: #d0d0d0;
}

.thumbnail {
	padding: 0px;
#background-color: #ffffff10;
#opacity: 0.1;
}

.thumbnailNoHover {
	padding: 0px;
}
.thumbnailNoHover:hover {
	padding: 0px;
}

.thumbnailBig:hover {
transform: scale(1.66);
background-color: #f0f0f0;
}

.thumbnailBig {
	padding: 20px;
	background-color: #f0f0f0;
}


.VideoCollages {
	margin: 0;
	position: absolute;
	top: calc(50% + 80px);
	left: calc(50% + 105px);
	width: 80%;
	transform: translate(-50%, -50%);
}

.thumbnailGroup {
	padding: 20px;
	height: 18vw;
	background-color: #f0f0f080;
}

.contentCenter {
	margin: auto;
	width: 50%;
	background-color: #f0f0f080;
}


body {
	background-image: url("https://www.tc.uni-koeln.de/people/hanrath/Education/Modules/TC_Ba/main.blur.jpg");
	background-position: 210px calc(50%);
	background-repeat: repeat;
	background-size: calc(100% - 210px) auto;
#	background-size: cover;
  background-attachment: fixed;
}
