Bug fixes

Fixes an issue with lost transparencies on PNGs.

fixed wrong class name for centered text alignment in front-end css

added minified and example CSS with front-end tweaks for prev version

#85238: Module not working :( - Text Main: changing the layout to 'center', in the admin UI, now also changes the CKE preview by wrapping the text in a text-align-left class + hide some of the cke text alignment buttons to avoid conflict with the intended behavior of our custom layout setting
**Dependencies:**
If using Dropsolid themes: use version 3.0.0-alpha8 or higher

This release fixes several bugs and integrates new ORCA test framework.

• Issue #3053163: Fixed Media grid view style after the update to Drupal 8.7.0 stable