---
synopsis: Fix Haddock CSS handling in multi-package projects
packages: [cabal-install, Cabal]
prs: 10637
issues: [10636]
---

When `--css=<css-file>` flag is provided to `cabal haddock-project`:

- the Haddock index is now properly styled by the provided CSS file
- each package in the project now has their docs properly styled by the provided CSS file
