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An implementation of the CSS layout algorithm.
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colosseum format changes May 6, 2019
AUTHORS Initial commit. Mar 23, 2015
CHANGELOG.rst Added formal documentation. Oct 20, 2017
LICENSE Corrected project naming problem in LICENSE. Apr 1, 2015 Added an expanded contribution guide. Oct 21, 2017
README.rst Fix beekeeper link May 7, 2019
beekeeper.yml Update beekeeper to not rerun Python 3.5 subtask if smoke build passes Jun 6, 2018
setup.cfg Enforce python version 3.5 and above Jun 4, 2018



An independent implementation of the CSS layout algorithm. This implementation is completely standalone - it isn't dependent on a browser, and can be run over any box-like set of objects that need to be laid out on a page (either physical or virtual)


Want to jump in and get started? We have a hands-on tutorial for beginners

How-to guides

Looking for guidance on how to solve a specific problems? We have how-to guides and recipes for common problems and tasks, including how to contribute.


Just want the raw technical details? Here's our Technical reference.


Looking for explanations and discussion of key topics and concepts? Our background guides may help.


Colosseum is part of the BeeWare suite. You can talk to the community through:

We foster a welcoming and respectful community as described in our BeeWare Community Code of Conduct.


If you experience problems with Colosseum, log them on GitHub. If you want to contribute code, please fork the code and submit a pull request.

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