:current

擬似クラス :current

[3] HTMLayout CSS support map <http://www.terrainformatica.com/htmlayout/cssmap.whtm>

HTMLayout CSS support map (2018-03-26 22:10:54 +09:00) <https://web.archive.org/web/20060615005510/http://terrainformatica.com:80/htmlayout/cssmap.whtm>

`:current`	Matches current element in collection. E.g. current <option> in <select>.