div {
    border-radius: 0.5em;

	width: 92%;
	height: 2em;
	margin: 1em;
	padding: 1em;
	background-color: #5FB404;
}
#checkbox {
    background-color: #4CAF50;
    height: 3em;
	margin: 2em;
	padding: 0.5em;
}
#checkbox_s {
    background-color: #4CAF50;
    height: 4em;
	margin: 2em;
	padding: 0.5em;
}

#one {

	box-shadow: 5px 5px 5px 5px #FF8000;
}


    img {
        width: 40%;
        height: auto;
        }
table {
    	border-collapse: collapse;
    	width: 100%;
	}

	th, td {
    text-align: left;
    padding: 8px;
	}

	tr:nth-child(even){background-color: #f2f2f2}

    th {
    background-color: #4CAF50;
    color: white;
    }
#lehrer
{
	width: 100%;
}
  /* Mobile first - alle Dokument-Blöcke bekommen 100% Breite untereinander  */

header {
	background: #045FB4;
	display: -webkit-flex;
	display: flex;
	-webkit-flex-direction: column;
	flex-direction: column;
}

main
{
border-radius: 0.5em;
	margin: 1em;
	padding: 1em;
	box-shadow: inset -2px -2px 10px #ccc;
}
article,
aside,
footer {
	border-radius: 0.5em;
	margin: 1em;
	padding: 1em;
	box-shadow: inset -2px -2px 10px #ccc;
}
section
{
    height: auto;
    width: 90%;
	border-radius: 0.5em;
	margin: 20px;
	padding: 10px;
	box-shadow: inset -2px -2px 10px #ccc;
	text-align: left;
	font-size: 1em;
}
/* große Viewports */

@media all and (min-width: 800px) {
	main {
		-webkit-flex-direction: row;
		flex-direction: row;
	}
	main,
	article,
	nav,
	section,
	aside,
	footer {
		-webkit-flex: 1;
		flex: 1;
		-webkit-flex-grow: 1;
		flex-grow: 1;
	}
}

main {
	background: F5F6CE;
}

nav {
	background: orange;
}

article {
	background: red;
	-webkit-flex-grow: 2;
	flex-grow: 2;
}

aside {
	background: blue;
	-webkit-flex-grow: 3;
	flex-grow: 3;
}

footer {
	background: #F5F6CE;
}

h2 {
	color: black;
	text-align: left;
	font-size: 2em;
	line-height: 0em;
}
h3 {
	color: black;

	font-size: 1.5em;
	line-height: 0em;
}

}

input:checked {
	outline: 1px solid black;
}

#other:checked ~ #otherValue
{
  display: inline-block;
}
form {
  width: 90%;
  margin: 0em auto;
}

fieldset {
  border-radius: 0.5em;
  background: #4CAF50;
  border: 5px solid green;
  text-align: center;
}

legend {
  padding: 10px;
  background: blue;
  color: cyan;
}

#otherValue
{
  display: none;
}
#button
{

background: #4CAF50;
            height:70px;
            width:200px;
            margin: -200px 750px;

            top:50%;
            left:50%;
            color: black;
	        border-radius: 0.5em;
	        box-shadow: 10px 20px 30px black;
	        border: 5px solid green;
	        position: auto;
       /*     top: 860px;
            left: 200px;       */


            font-size: 1.3em
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid #e7e7e7;
    background-color: #f3f3f3;
}

li {
    float: left;
}

li a {
    display: block;
    color: #666;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

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

li a.active {
    color: white;
    background-color: #4CAF50;
}