Board Thread:Support Requests - Getting Started/@comment-3485875-20180911182310/@comment-27345308-20180911231241

The module is the actual code being executed in order to generate intended behavior of the template based on the arguments you pass to the template.

It wasn't an error, it's just that the inline CSS being inserted into the generated output used "transparent" as the fallback color instead of the color you wanted it to. Inline CSS takes precedence over any other CSS, so unless you used  in your sitewide CSS (please don't) you couldn't modify its look without modifying the inline CSS.