Follow these steps to set whether Lineardraft windows and prompts display in either 'Light' or 'Dark' mode.
Step 1: Click the 'Settings' button in the 'Lineardraft' section of the Lineardraft toolbar
This will open the 'Lineardraft Settings' window.

Step 2: Click 'User settings'
This will open the 'User settings' tab.

Step 3: Select either 'Light' or 'Dark' from the 'Theme' section
The window will change theme so you can preview what it will look like.

Step 4: Click 'Update Settings'
This will apply your selection and close the window.

Please note: If you click 'X' or 'Cancel' your selection will not be applied.