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/* Bug 1: reset too specific */ * { box-sizing: border-box; margin: 0; padding: 0; } /* Bug 2: inline style wins — can only be beaten by !important */ <div style="color:red"> → your CSS loses unless you use !important /* Bug 3: ID in HTML vs class in CSS */ #sidebar .widget { color: blue; } /* 1,1,0 — very hard to override */ /* Fix: drop the ID */ .sidebar .widget { color: blue; } /* 0,2,0 — normal to override */
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