HTML高亮标签＜mark＞＜/mark＞/highlight/黄色
合理的内容，用合理的标签
代码
如图<p align="center">若非<mark>群玉</mark>山头见</p>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>HTML高亮标签<mark></mark></title>
</head>
<body>
<h1 align="center">
清平乐<sub>李白™</sub>
</h1>
<hr color="red" />
<p align="center">云想<em>衣裳</em>花想容，</p>
<p align="center">春风拂槛<strong>露华浓</strong>；</p>
<p align="center">若非<mark>群玉</mark>山头见，</p>
<p align="center">会向瑶台月下逢。</p>
</body>
</html>
参考