With a session open in Reflection, from the Quick Access Toolbar, click .
TouchUx
Tap the Gear icon and then select Document Settings.
Under Terminal Appearance, click Manage Themes.
Click Create a new theme from an existing theme file and then select the theme file to use as a template for creating a new theme file.
Built-In
Select this option to show the theme files distributed with Reflection.
Custom
Select this option to show the theme files that you've previously modified and saved. If the file you want doesn't appear in the list, click Browse to select it.
Note: The file must be in a trusted location.
Use the new file in the current session document
Use the file you are about to create with the current session.
In the Modify Theme dialog box, select the settings for the theme file and then save the file.