**As** a user
**I want** the notification row that is open in the split screen to be highlighted
**so that** I see the connection between the split screen and the center page

As an example, have a look at this screenshot, where it is very hard to see to which notification row the split screen belongs to:

<figure class="image op-uc-figure"><div class="op-uc-figure--content"><img class="op-uc-image" src="/api/v3/attachments/22287/content"></div></figure>

**Acceptance criteria**

* The notification row, that is currently open in the split screen, is highlighted via a Begin of the insertionblueEnd of the insertion background color Begin of the insertion
* The color is the same we use when a Work package row is selectedEnd of the insertion
* When hovering over the rows, they are highlighted in a Begin of the insertiongrey color 
End of the insertion Begin of the deletion different color

**Open questions**

End of the deletion * Begin of the insertionAgain we useEnd of the insertion Begin of the deletion In which color shallEnd of the deletion the Begin of the insertionsame as in the work package table: the greyEnd of the insertion Begin of the deletion row be highlighted?
* WichEnd of the deletion color Begin of the deletion shall be usedEnd of the deletion for the hover Begin of the insertioneffect of a WP row.End of the insertion Begin of the deletion effect?End of the deletion