current to the index of the step in progress, so earlier steps show a check and later ones wait in gray.titlePlacement to horizontal to put each title beside its circle, for a few short titles.orientation to vertical to stack the steps, with the connector running beside each description.size to small for smaller circles and titles.status to error to mark the current step as failed, with a cross and the error color.icon to a step to draw it in place of the numbered circle.