Off

Choose View > Background Visibility > Background Off

10%

Choose View > Background Visibility > Fade Background to 10%

20%

Choose View > Background Visibility > Fade Background to 20%

30%

Choose View > Background Visibility > Fade Background to 30%

40%

Choose View > Background Visibility > Fade Background to 40%

50%

Choose View > Background Visibility > Fade Background to 50%

60%

Choose View > Background Visibility > Fade Background to 60%

70%

Choose View > Background Visibility > Fade Background to 70%

80%

Choose View > Background Visibility > Fade Background to 80%

90%

Choose View > Background Visibility > Fade Background to 90%

On

Choose View > Background Visibility > Background On