- center the main title

## Editor area (on the left)

- line numbering
- syntax highlighting of keywords (green), durations (blue), parameters or qualitative (orange), comments (gray)
- Undo / Redo buttons ?
- highlight the line in case of error at verification, with a message indicating the error below the script area

## Robot area (on the right)

- better icons

## Console area (bottom)
- only one console at the bottom. Simplified messages, output for both script and robot?

## Misc