body,html{
	background-color:#000;
	color:#000;
	margin:0;
	padding:0;
	height:100vh;
//	height:calc(100vh - (100vh - 100%));
	font-family:Verdana;
	font-size:1em;
	display:grid;
	place-items:center;
}

#main{
//	height:100vh;
	height:calc(100vh - (100vh - 100%));
	width:100vw;
	background-color:#00f;
}

#menue{
	top:0px;
	position:fixed;
	height:100px;
	width:100%;
	background-color:#ff0;
}

#content{
	top:100px;
	position:relative;
//	max-height:calc(100vh - 100px);
	max-height:calc((100vh - (100vh - 100%)) - 100px);
	width:100%;
	background-color:#0ff;
	overflow-y:scroll;
}

@media screen and (min-width: 800px) {
  #main{
//	min-height:calc(100vh - (100vh - 100%));
  	background-color:#f00;
 	width:1000px;
  }
  
  #menue{
 	width:1000px;
  }
  
}