To do so, set a theme in the Workspace settings. You can also configure a workspace specific theme. Tip: By default, the theme is stored in your user settings and applies globally to all workspaces. Specifies the color theme used in the workbench. The active color theme is stored in your user settings (keyboard shortcut ⌘, (Windows, Linux Ctrl+,)). Select the theme you want and press Enter.
( Code > Preferences > Color Theme on macOS).
