html, body {
	width: 100%;
	height: 100%;
	margin: 0px;
	padding: 0px;

	color: #848E8A;
	background-color: white;
}

#Rahmen {
    margin: auto;
	
	height: 100%;
	width: 90%;
	border: 1px solid white;
    
    display: flex;
    flex-wrap: wrap;
}

#Rahmen > .Spalten {
    margin-left: 2.5%;
    height: 70%;
    width:  30%;
	  
	font-family: Arial, Helvetica, sans-serif;
	font-weight: normal;
	font-size: 0.9em;
}

#Header {
	margin-left: 0%;
    height: 20%;
    width:  100%;
	font-family: Arial, Helvetica, sans-serif;
	font-weight: normal;
	font-size: 0.8em;	
}
#Footer {
	height: 20%;
	width: 100%;
	font-family: Arial, Helvetica, sans-serif;
	font-weight: normal;
	font-size: 0.8em;
	
}


@media (max-device-width: 680px) { 

#Rahmen {
	margin: none;
	height: 100%;
	width: 95%;
	border: none;
}
#Header {
    height: 10%;
    margin-bottom: 0.5%;
}
    
#Rahmen > .Spalten {
    margin-left: 0%;
    height: 70%;
    width:  100%;
}
#Footer {
	margin-top: 0.5%;
	height: 15%;
	width: 100%;
}

}