Simplify the following text for a Grade 12 native English-speaking person.
Original: Mucha 's works frequently featured beautiful , strong young women in flowing vaguely Neoclassical looking robes , often surrounded by lush flowers which sometimes formed halos behind the women 's heads .
Simplified: Mucha 's works frequently featured beautiful young women in flowing , vaguely Neoclassical-looking robes , often surrounded by lush flowers which sometimes formed halos behind their heads .