.icon-center-cancel{
float:left;
width: 32px;
height: 32px;
background: url(img/lightboxcancel.svg) no-repeat;
}

.icon-left-open{
float:left ;
width: 32px;
height: 32px;
background: url(img/lightboxpfeillinks.svg) no-repeat;    
}

.icon-right-open{
float: left;
width: 32px;
height: 32px;
background: url(img/lightboxpfeilrechts.svg) no-repeat;    
}