Description of problem:
When modifying roles, the selection/indication pointer can overrun the names of available orgs in the roles page.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Create a few (3+) organisations.
2. Navigate to Administration > Roles > Anonymous > Permissions
3. View resulting UI
  
Actual results:

The pointer for the selected Role ("Anonymous") slightly obscures the name of whatever role you might have directly opposite it in the Permissions pane.

Expected results:

No obscured UI.

Additional info:

* See forthcoming screenshot.
* This is obviously not a high priority bug.