[BUG] 'lead' paragraph missing CSS style

[anjeylink]

After saving CKeditor text with "lead" paragraph styling disappear.

1. Open any text editor
2. Choose "lead" style
3. Save

Expect it to see lead paragraph

Suggest fix:

Add another css file with lead styling

.lead {
 font-size: 16px;
}

Include new css file

editor:
  config:
    contentsCss:
      - "EXT:rte_ckeditor/Resources/Public/Css/contents.css"
      - "EXT:theme_t3kit/Resources/Public/Css/contents.css"