Following is the list of structural style classes, for theming classes visit
| Name | Element |
|---|---|
| p-timeline | Container element. |
| p-timeline-left | Container element when alignment is left. |
| p-timeline-right | Container element when alignment is right. |
| p-timeline-top | Container element when alignment is top. |
| p-timeline-bottom | Container element when alignment is bottom. |
| p-timeline-alternate | Container element when alignment is alternating. |
| p-timeline-vertical | Container element of a vertical timeline. |
| p-timeline-horizontal | Container element of a horizontal timeline. |
| p-timeline-event | Event element. |
| p-timeline-event-opposite | Opposite of an event content. |
| p-timeline-event-content | Event content. |
| p-timeline-event-separator | Separator element of an event. |
| p-timeline-event-marker | Marker element of an event. |
| p-timeline-event-connector | Connector element of an event. |