div.contact_btn a{
	background: url(../globalimage/btn_contact.png) 0 0 no-repeat;
}

div.downloadPDF_btn a{
	background: url(../globalimage/btn_download_PDF_de.png) 0 0 no-repeat;
}

div.gallery_btn a{
	background: url(../globalimage/btn_zur_Galerie.png) 0 0 no-repeat;
}