I tried to make a real baseline grid without using margin, playing with before/after and vertical-align:baseline.
Basel;ne does not look easy to use, but it works.
There is no download package for this first version (coming soon).
You can use it for your own project.
The display performance is not bad,
but remember this is an experimental method.
This project is made by Benoît Wimart.
You can share it on Twitter.