Example class renders numbers larger than text

"Example" non-headings(!) are entered into the source using Example

When there are several on a page, they are sometimes expanded to include numbers/text.

When a number is included, it is rendering larger than the text.

Example of a page where this issue is visible: /21.0/net-interface-guide/dotnet-classes/advanced-techniques/#apl-language-extensions-for-net-projects