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                <h1>일반적인 레이아웃 흐름 
  (Normal Layout Flow)</h1>

<p><abbr title="Hyper Text Markup Language">HTML</abbr>이 기본적으로 화면에 렌더링하는 것을 말합니다. 
마크업 순서대로 위에서 부터 아래 방향으로 나열됩니다.
(CSS 레이아웃 미반영)</p>


                html {
  font-size: 10px;
body {
  margin: 3rem;
  font: 1.4rem/1.5 Verdana, Arial, Sans-Serif;
h1, p {
  white-space: pre-line;

h1 {
  line-height: 1.2;