Fix #150 -- Increase top-margin of h2 elements.
Fix #150 -- Increase top-margin of h2 elements.

pysv/djep,pysv/djep,pysv/djep,EuroPython/djep,EuroPython/djep,pysv/djep,EuroPython/djep,pysv/djep,EuroPython/djep