You can customize the name of the source, display it on the output screen and change the opacity values. The Show Name and Opacity settings can be adjusted from the general settings for all sources, as well as individually for each source.
\uD83D\uDCD8 Show name on preview and Opacity settings:
Open Options menu.
Highlight important information in a panel like this one. To edit this panel's color or style, select one of the options in the menu.