Marketplace - agent page - Update body text to Geist font

[ograce1421]

Describe your issue.

Please update the font to the following style: (This is the style "p-ui" in the typography style sheet)
font-family: Geist;
font-size: 16px;
font-weight: 400;
line-height: 24px;
text-align: left;
text-underline-position: from-font;
text-decoration-skip-ink: none;

And using the following colors:
background: var(--neutral-600, #525252);