[TOP_HEADER_PLACEHOLDER]
[CONTENT_START_PLACEHOLDER] [CONTENT_LESSON_NAME_PLACEHOLDER]
[LESSON_NAME_PLACEHOLDER]
[RELEASE_DATE_PLACEHOLDER]
[OVERALL_GRADE_PLACEHOLDER]
[ACTIVITY_NAME_PLACEHOLDER] [ACTIVITY_PROGRESS_ICON_PLACEHOLDER]
[ACTIVITY_GRADE_PLACEHOLDER]
[CONTENT_END_PLACEHOLDER]
[CONTENT_THANKS_PLACEHOLDER]
[FOOTER_PLACEHOLDER]