#rocktable{
  width:100%;
  border-collapse: collapse;
}
#rocktable thead td{
  font-weight:bold;
  border-bottom: 2px solid #006;
}
#rocktable tbody td{
   padding:5px;
}
.Rdata{
  width: 80px;
  text-align:center;
}
.Rnazwa{
  width: 280px;
}
.Rcena{
  width: 60px;
  text-align:center;
}
.Rinfo{
  width: 60px;
  text-align:center;
}