Setting an annotation style preset
Selecting an annotation style preset
You can change the style of an annotation quickly by tapping on a preset from annotation style picker.

Changing an annotation preset
To change an annotation preset, first select one preset you want to change, then change color, thickness, as well as opacity by selecting them in annotation style picker:

Deselecting an annotation style preset
To avoid changing a selected preset when changing annotation style in the style picker, you can deselect the preset by tapping on the selected preset again.
