css字体属性
<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">
<!-- 外部引入谷歌字体 ：https://googlefonts.cn/?selection.family=Roboto -->
<link href="https://fonts.googlefonts.cn/css?family=Roboto" rel="stylesheet">
<title>css字体属性</title>
<style>
body {
font-family: Arial, Helvetica, sans-serif;
font-size: 20px;
line-height: 1.6em;
}
#welcome p span {
font-weight: bold;
}
</style>
</head>
<body>
<div id="welcome">
<h2 class="green-heading">欢迎来到我的博客</h2>
<p>Lorem ipsum <span>dolor sit amet</span> consectetur adipisicing elit. Neque repellendus sequi minima aliquam
blanditiis,
inventore <span>cum sint doloremque</span> possimus ducimus error reiciendis eligendi natus facere amet non
voluptate
tempora
tenetur.</p>
</div>
<div>
<h2 id="about">关于我们</h2>
<p>Lorem ipsum <span>dolor sit amet</span> consectetur adipisicing elit. Modi, suscipit.</p>
</div>
</body>
字符实体和符号
<p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Maiores, quasi.</p>
<p>3 > 2</p>
<p>3 > 2</p>
<p>1 < 2</p>
<p>1 < 2</p>
<p>©</p>
<p>®</p>
<p>¢</p>
<p>£</p>
<p>€</p>
<p>♠</p>
<p>♣</p>
<p>♥</p>
<p>♦</p>
<code><?php echo 'Hllo world' ?></code>
<P>保存文件可以按住键盘中的<kbd>Ctrl+s</kbd></P>
