In that the stylesheet for the plugin was separate from the parent styles.css, I decided to copy the plugins stylesheet, edit it to suit my goals and place it in the same directory as the child themes styles.css.
I then used the @import function of the Configurator to import the new version of the plugins stylesheet
You can add additional stylesheets and web fonts by typing @import rules into the textarea on the @import tab. Important: The Child Theme Configurator adds the @import rule that loads the Parent Theme’s stylesheet automatically. Do not need to add it here.
Below is an example that loads a local custom stylesheet (you would have to add the “fonts” directory and stylesheet) as well as the web font “Open Sans” from Google Web Fonts:
@import url(fonts/stylesheet.css);
@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,700,700italic);
And that worked perfectly and my edits are still independent of any parent themes or plugins.