For the font size, have you explored the Look and Feel Editor yet?https://www.qualtrics.com/support/survey-platform/survey-module/look-feel/applying-survey-themes/
Are you open to reducing the size of the text to match the font size of the image? That should be easier to control.
Is the Distribution Summary Section not providing accurate information?Alternately, you could visualise your distribution in the dashboard - XM Directory Respondent Funnel - Qualtrics SupportDistribution Reporting (CX) - Qualtrics Support
Could you share what changes were made post which you started facing this challenge?
Alternately, if you are simpy trying to number them in sequencially, use Tools Auto number questions
If the participant tab disappeared, it may be because your access level has been changed by the project owner when they collaborated the project with you.If you are the owner of the project and are unable to access see the participant tab, you may want to reach out to Support.
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