Include index names in column names of HTML output of DataFrame Style…
Include index names in column names of HTML output of DataFrame Styler, if the index names are available (previous behaviour is not to include index column names and instead leave blank spaces)

Thanks! That was fixed in https://github.com/pydata/pandas/pull/12090

Still quite a few other issues around `.style` if this is an area that interests you

https://github.com/pydata/pandas/issues/11610
https://github.com/pydata/pandas/issues?q=is%3Aopen+is%3Aissue+label%3AStyle
 Sorry, I hadn't seen the fix - I must be working off an old version...  Cheers!
