This says it is Heading 4 in the back end but is showing up totally different font in front.

This is saying it is Paragraph text


Custom posts are not formatting as per others elsewhere on site

Details about the playground (opening hours, facilities etc) are not showing up at all on the front end.

London Play Press Releases
Inviting groups of children from across London to converge in a field, rub shoulders designing and building go karts from scratch, and then race them side by side was a BIG no-no this year. But London Play found a way to make the hotly-anticipated go kart events happen