Update mentor and protegé form look and feel + Add 1 checkbox group

[alexisreytech]

• Fixes Issue Content: Add Partner Checkbox on Mentoring Form #470
• Sets border width to 2px for all form fields
• Sets outline offset to be 2px for all form fields
• Re-arranges cited name and email fields to improve form field alignment
• Slightly shortens region field label text to improve form field alignment
• Reduces total number of checkbox groups on protegé form to no more than 2 across (to increase readability)
• Utilize 2-across or fewer checkbox group layout for mentor form to match with updated protegé form
• Moves years of experience form field on mentor form to come at the end (to improve use of space with new checkboxes)
• Adds horizontal separation lines to mentor form to match existing lines on protegé form

Important Note: Google Spreadsheet will still need to be updated

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[brian-montgomery]

Looks good, Alexis! One minor thing.

This is reminding me that we started to convert all of the form fields over to common elements and haven't looped back to it yet.

[brian-montgomery]

Thank you, Alexis!