Rendering of reST document much worsened

I'm pretty sure the way reStructuredText is rendered is worse since the redesign. See for example https://bitbucket.org/dvarrazzo/psycogreen

The most serious defect is the titles with more space below the title than above, visually destroying the document structure.

Here is how the competitors shows it: https://github.com/dvarrazzo/psycogreen