Preconditions:

• Web browsers: FF, Chrome, Safari, Opera

Steps to reproduce:

1. Go to Content/Content structure.
2. Create new content which contains RichText field, e.g. Folder.
3. In field 'short description' and 'description' add custom tag e.g. youtube link: https://youtu.be/cUNX3azkZyk
4. Set right align for field 'short description'.
5. Set center align for field 'description'.
6. Click on 'preview' button and verify how the custom tags appear.
7. Click on 'publish' button and verify how the custom tags appear on homepage.

Actual result:

Custom tags aren't correctly styled on preview and homepage.

Expected result:

Custom tags should be correctly styled on each page with center and right align.