🖍 _This is an audit!_ 🖍
## Summary:
This has the same dark mode problem (if your Twitter client, say, is in
dark mode), but we can't be so fancy with CSS, I uess. So I just
switched to a white background, which looks fine in context. The actual
source of truth for the social preview image is in the github settings
page, but I checked in the image for reference.
## Test plan:
looks fine in the compose window on Facebook:
Author: benjaminjkraft
Auditors: dnerdy
Required Reviewers:
Approved By:
Checks: ⌛ Test (1.17), ⌛ Test (1.16), ⌛ Test (1.15), ⌛ Test (1.14), ✅ Lint, ⌛ Test (1.17), ✅ Test (1.16), ✅ Test (1.15), ✅ Test (1.14), ✅ Lint
Pull Request URL: https://github.com/Khan/genqlient/pull/122
