???? ????? ?????? ????? ??????? body font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; padding: 20px; background-color: #f9f9f9; h1, h2, h3 color: #2c3e50; ul, ol margin-left: 20px; ???? ????? ?????? ????? ??????? ??? ??? ?