fix three-column grid
fix three-column grid

jclgoodwin/bustimes.org.uk,jclgoodwin/bustimes.org.uk,jclgoodwin/bustimes.org.uk,jclgoodwin/bustimes.org.uk,stev-0/bustimes.org.uk,stev-0/bustimes.org.uk,stev-0/bustimes.org.uk,stev-0/bustimes.org.uk,stev-0/bustimes.org.uk