GitHub user sendilkumarn opened a pull request:
https://github.com/apache/tomee-site-generator/pull/9
replace section padding with padding-top alone
Makes navbar-fixed height and making the `main-block` to align below it
naturally.
Before

After

Check the padding in left.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sendilkumarn/tomee-site-generator
fix-main-block
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tomee-site-generator/pull/9.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #9
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commit f8d75a4bdf591de36f10cae75daa354d37bd6f50
Author: Sendil Kumar <sendilkumarn@...>
Date: 2018-12-04T13:32:32Z
replace section padding with padding-top alone
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