1. Go to Adm.console Configuration->Website->Themes section.# open Admin Console
# go to {nav Configuration > Website > Themes} section
# remove value from `Stylesheet File` field while editing current theme
# save changes
# go to {nav Catalog & Website > Browse Website} section
# select `Content Mode` (in top frame)
# confirm that:
2. Clean "Stylesheet File" field while editing current theme, save theme.* content blocks opens on editing
3. Go to Browse Website, select Content Mode, confirm that content blocks opens on edit* the CKEditor is displayed and have FCK-editor controls inside.is operational