**As a** As a project member
**I I want to** to see the difference between manually scheduled dates summary tasks and dates derived from subtasks sub tasks
**So that** So that I better understand the implications hierarchy of sub-elements on parent work packages. items in the Gantt chart.
<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/116130/content">
**Acceptance criteria**
* There are "clams" left and right of a parent task. the summary task
* Manually scheduled task might deviate from The bars of the subtasks. summary tasks migh have different color scheme and height.