.knop_bellen {
	width: 40px;
 	height: 40px;
  	content: url("../../site/images/bellen@2x.png"); 	// This is actually a 80x80 image
}

.knop_mailen {
	width: 40px;
 	height: 40px;
  	content: url("../../site/images/mailen@2x.png"); 	// This is actually a 80x80 image
}

.knop_contactformulier {
	width: 40px;
 	height: 40px;
  	content: url("../../site/images/contactformulier@2x.png"); 	// This is actually a 80x80 image
}