You change the user theme settings so that it suits your needs.
The default system theme settings might be controlled by a lead object. For more information, see Lead and Shadow Relationship .
In WebStation, on the Settings menu, click Options .
Click Change default system settings .
Click Theme Settings .
In the Dark Mode list, select if you want to use dark mode.
In the Size Mode list, select the size of icons and fonts.
In the Accent color box, select the accent color.
Click OK .