#op-workflow-node-state-published {
  display: block;  
  font-family: Arial, Helvetica, sans-serif;
  padding: 5px 10px 2px 10px;
  font-size: .9em;
  margin: 0 5px 0 0;
  color: white;
  background: green;
  border: none;
}

#op-workflow-node-state-notpublished {
  display: block;  
  font-family: Arial, Helvetica, sans-serif;
  padding: 5px 10px 2px 10px;
  font-size: .9em;
  margin: 0 5px 0 0;
  color: white;
  background: grey;
  border: none;
}