CSSda muhim mavzular

Quyidagi tushunchalarni to'liq tushunmasdan (boshqaga tushuntirib bera oladigan darajada) CSSni yaxshi bilaman deyish to'gri bo'lmaydi:
1) Box Model
2) Flow Layout
3) Positioning
4) Inheritance
5) Cascade
6) Specifity
7) z-index

#must_have

@dev_thinking_loud