Target `.question` and `.category` DIVs. Not just `.question`
When displaying parent categories, don't pass on the record_id to the parent of a multi-record.
Add `margin-left` to nested sub-questions whether they're inside a record or not.
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Show records as comma-separated in the excel output.
Make the `create record` button smaller.
Don't fetch new answers from the response in the sorted order. Sort `response.answers` based on the order of `response.sorted_answers`.

To preserve the existing answer objects after a validation error.
When creating a blank answer for a question, do so without running validations.
Fix the logic for hiding and showing the `.record` <div>s.
Update visible records AFTER hiding/showing all the sub-questions.
Show a record if a single element inside it is visible.
MultiRecordCategory#create_blank_answers doesn't create a new record if a `record_id` is passed in.
Answer#content_present? returns false even if its `photo` is an empty string.
Change `Create New Record` to use AJAX.
Added question number method to Question decorator
Refactored question_number method for Categories
Removed the old method to display question_number from ResponseDecorator