.scrollToTop
{
width:50px; 
height:50px;
padding:0px; 
text-align:center; 
font-weight: bold;
color: #444;
text-decoration: none;
position: fixed;
z-index: 1;
bottom:50px;
right:50px;
display:none;
background-image: url('nach_oben.png');	
}
.scrollToTop:hover
{
text-decoration:none;
}


.scrollToTop1
{
width:70px; 
height:70px;
padding:0px; 
text-align:center; 
font-weight: bold;
color: #444;
text-decoration: none;
position:fixed;
bottom:50px;
right:50px;
display:none;	
}
.scrollToTop:hover
{
text-decoration:none;
}