.paging .page-item .cover aside .holder p.links span:not(:first-child):before 
{
    content: ',';
}

.paging .page-item .cover aside .holder p.links span:last-child:before 
{
    content: '&';
    padding-left: 2px;
}

.paging .page-item .cover aside .holder p.links span:only-child:before 
{
    content: '';
}