body {
  /*  background: #eee;    
	 background-image: url(images/HG01.JPG); */    
	font-family: Arial, Helvetica, sans-serif;    
	font-size: 0.8em;    
	color: black;    
	text-align: center;}

.gleichung{
color: #0000ff; border: 0px solid black;font-size: 48px;font-weight: bold;text-align: center;background-color: transparent;}