The full site contains the following CSS:
But on the mobile site,
em are styled, while
i are not. Why does this matter? Because of a long-standing bug, the markdown engine doesn't handle bold and italics correctly with Japanese, so we often insert HTML tags as a workaround. But while Markdown turns stars into <em> and <strong>, our community almost always inserts <i> and <b>!
As a result, everything seems fine, but if you look at the mobile site, bold and italics seem to disappear at random. This can be rather confusing if, for example, a question or answer refers to the "bolded text". (What bolded text?, the reader might ask.)
I've formatted this question to demonstrate the problem; click back and forth between full site and mobile site to see the difference:
- * starred italics - <i> tag italics
- ** starred bold - <b> tag bold