Reply To: Dark theme settings

Hello, after some styling changes, some code stopped working. Please tell me how to change only the styles that I show, so that the styles of other text on other pages do not change. Thank you.
Screenshots and links in attachment

1) How do I change the background when hovering over a product on the category page and home page (1.1)? How do I change the color of the old product price (1.2)? How do I change the color of the “Add to cart” button in rest and on hover (1.3)? How do you close the gap that separates the thousands in the price (1.4)?

2) How do I change the color of the active menu item when the mouse pointer moves over a submenu? Как сделать пункты меню в темной теме как в светлой https://i.imgur.com/QIVvO9Z.png?

3) How do I change the color of the “Add to cart” button in rest and on hover?