I am not sure I understand what you are asking, are you referring to the styling (you are obviously using some other CSS than the one that comes with FC2) or something else?
However it may be worth noting that cloze tags needs to be placed so that they don’t straddle any HTML elements. The placement in your example results in the following HTML:
Where you can see that the cloze tag starts in one <li> and ends in another. Better to place the cloze tag so that it encloses the entire nested list:
This can be tricky in the regular Anki editor, if start your selection here:
and end it here:
Personally I use the keyboard to “shift-select” (start at the end of the preceding line and go as far as possible at the end of the last line (use End button).