.iframe{
	width: 100%;
	height: 800px;
}


.bodystart {

 background-color: url("EDU_ONLINE/Background/stein.jpg"

}
.centerimg {
display: block; text-align: center;
margin-top: 50px;
}

.buttonright { 

position: absolute; bottom: 10px; right: 10px; 
} 

.textright {
display: block; text-align: "right";
margin-top: 50px;
}

.center {
position: absolute;
top: 48%;
left: 51.5%;
margin-left: -550px; /*Zahl= halbe Breite des Bildes */
margin-top: -400px; /* Zahl = halbe Hoehe des Bildes */
}
.center2 {
position: absolute;
top: 53%;
left: 55%;
margin-left: -550px; /*Zahl= halbe Breite des Bildes */
margin-top: -400px; /* Zahl = halbe Hoehe des Bildes */
}
.center3 {
position: absolute;
top: 90%;
left: 55%;
margin-left: -550px; /*Zahl= halbe Breite des Bildes */
margin-top: -100px; /* Zahl = halbe Hoehe des Bildes */
}

.myButton {
	box-shadow:inset 0px 1px 0px 0px #a4e271;
	background:linear-gradient(to bottom, #89c403 5%, #77a809 100%);
	background-color:#89c403;
	border-radius:6px;
	border:1px solid #74b807;
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:15px;
	font-weight:bold;
	padding:15px 60px;
	text-decoration:none;
	text-shadow:0px 1px 0px #528009;
}
.myButton:hover {
	background:linear-gradient(to bottom, #77a809 5%, #89c403 100%);
	background-color:#77a809;
}
.myButton:active {
	position:relative;
	top:1px;
}