large images are set to maximum height

Created by: Tirokk

Authored by ogerly Jul 4, 2019 Merged Jul 9, 2019

---

🍰 Pullrequest

large images are also set to a maximum height of 300px on the overview page and centered vertically and horizontally

Example image

Issues

• fixes #https://github.com/Human-Connection/Human-Connection/issues/961