Use the cascade order to diagnose why a CSS rule wins or loses.
When CSS surprises you, the browser is still following rules. The concept The cascade is the browser algorithm that decides which CSS declaration wins when multiple declarations target the same property. It considers origin, importance, layers, specificity, scoping, order, and inheritance. Knowing that order turns styling from superstition into diagnosis. Why it works The mechanism matters because CSS is intentionally global within its scope. A selector that feels local can still compete with utilities, component styles, browser defaults, and inherited values. Debug from the losing declaration, identify the winning declaration, then change the smallest cause. Common trap The panic move…
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