Layout and positioning properties are used to control the layout and position of elements.
is CSS's namesake and its core rule: styles cascade downwards. When multiple rules apply to the same element, the one that comes last in your stylesheet generally wins, provided they have the same specificity. This isn't arbitrary—it's a deliberate feature that allows for progressive enhancement. A style declared later overrides an earlier one. Understanding this resolves countless "why isn't this changing?" moments. CSS Demystified Start writing CSS with confidence