CSS

Deploying updates to production environments is a critical phase in web development, yet it often unveils challenges that can undermine the user experience. A prevalent issue arises when modifications to CSS and JavaScript files lead to inconsistent or broken layouts, as browsers continue to serve cached versions of these essential assets. This discrepancy not only frustrates users but can also tarnish a brand’s reputation for reliability.

As you're using Bootstrap 5 and applying a style for the hover state of an accordion button, specifically changing the background image of an ::after pseudo-element. If you want to change the icon colour on hover, you should modify the fill attribute in the SVG's path element. 

Here's an example:

Using CK Editor 5, I needed to add instructions to a page that held FontAwesome (FA) icons.  Included in these instructions were a couple of FA icons.  Initially adding them was going to be resolved using Pseudo-elements.  Accordingly they would be applied as follows: