[Enhancement] Clear notification message.

## Enhancement Proposal

### Description
Current notification message is not clear to read.

### Motivation
Explain why this enhancement is necessary or valuable to the project. Include any related issues or pain points it addresses.

### Proposed Solution
Please clean up the message.

Current: App. willkeep the display on for 01m 44s
Tap to turn off

Proposed: Display keeps on for 01m 44s (time in BOLD)
Tap to turn off
This is just an example.

Alos the option buttons text is not fully readable.
Please check the screen shot.

Thank you.