Update spacing, make responsive, update cards

[Sydnee510]

Make these items responsive:

• [x] The founder's card
• [x] The featured member's section

Update spacing:

• [x] spacing between social icons
• [x] spacing between featured member cards
• [x] spacing under featured members title
• [x] spacing above the featured members title and below the mission statement

Update card assets:

• [x] update all featured members social links/icons
• [x] update featured members emails

Update mission statement:

• [x] Align paragraph left like the who are we/about us statement
• [x] should we leave mission title centered?

Update Founding team's cards:

• [x] align paragraphs/bios left
• [x] leave the names and titles centered?