The unfocusedBackground sets the color when the tab is inactive and showCloseButton toggles the appearance of the close button on the tab. background will set the color of the tab background when the tab is active and will always show colors at full opacity. In the theme code, the tab object supports background, unfocusedBackground, and showCloseButton properties. If you want to customize the colors for the background, you can change the color scheme from the “Color schemes” section. When creating a custom theme, you are setting up custom colors for the window and tabs. Select the custom theme from the “Theme” setting. In the Terminal settings, click on Appearance. Use the Ctrl + S keyboard shortcut to save the file. Here’s an example of the coding that builds a theme: 'themes': In the “themes” object, open the brackets “” and code the custom theme. Click the menu (down-arrow) button and select the Settings option.
