.specialeknop {
font-family: sans-serif;
}
.specialeknop a:hover, .specialeknop a:active {
}
a.knop, a.knopDis {
display: block;
background-color: transparent;
background-image: url(knoppen.png);
background-repeat: no-repeat;
width: 200px;
height: 30px;
margin: 0px auto;
padding: 12px 0 0 0;
text-align: center;
	font-size: 16px; 
	font-weight: bold; 
	font-family: Arial, sans-serif;
	color: White;
text-decoration: none;
}
a.knop:link, a.knop:visited {
background-position: 0 0px;
}
a.knop:hover {
background-position: 0 -41px;
}
a.knopDis:link, a.knopDis:visited, a.knopDis:hover, a.knopDis:active {
background-position: 0 0px;
cursor: default;
}