HTML validation fixes

• Approx. completion time: 15 minutes
• Deliverables: 1 HTML file, images

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Sift through the files and code and fix all of the errors.

• Fork this repository.
• Fix the 3 poorly named files.
• Fix the 4 indentation issues.
• Fix the 3 validation errors.
• Remember to do regular commits.
• Run it through Markbot and make sure it passes all the checks.

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Goal

Pass all the Markbot tests.