Summary

PDF CSS settings for headers are not working properly for PDF exports. The

Steps to Reproduce

1. Go to space PDF CSS settings
2. Try including this code to change headers

   h1,h2,h3,h4,h5,h6,h7,h8,h9
   { font-size: 50px; }

3. Perform a full space export to pdf check that only content formatted as Heading3 (h3), will have been changed. (There were other cases, where only H6 was changed)

Expected Results

CSS to be applied to any header as configured

Actual Results

Configuration applied

Actual Page

Results obtained (for this case, only h6 got applied, that's why the bug is inconsistent).