basic construction of an extended 12-fold rosette

#gostudy_button_68b37ee6654fb { color: rgba(255,255,255,1); }#gostudy_button_68b37ee6654fb:hover { color: rgba(30,40,69,1); }#gostudy_button_68b37ee6654fb { border-color: rgba(30,40,69,1); background-color: rgba(30,40,69,1); }#gostudy_button_68b37ee6654fb:hover { border-color: rgba(30,40,69,1); background-color: rgba(255,255,255,1); }