Margins collapse if you have h1 with top margin 10px, and body margin 8px, it "adds" up to 10px, not 18px. Once you write article-based sites, without a rando

Margins collapse if you have h1 with top margin 10px, and body margin 8px, it "adds" up to 10px, not 18px. Once you write article-based sites, without a random navbar that people don't want, then it can become quite nice