Petty details (6)

I believe the answer is:
trivia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">petty details</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for trivia that I've seen before include "Non-essential data" , "Minutiae" , "Unimportant facts" , "minor points of interest?" , "petty considerations" .)