App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<head>
    <title>W3.CSS(w3cschool.cn)</title>
    <meta name="viewport" content="width=device-width, initial-scale=1" charset="UTF-8">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
</head>
<body>
<div class="w3-container">
    <h2>提示工具</h2>
    <p>将鼠标悬停在下面的句子上可查看工具提示：</p>
    <p class="w3-tooltip">伦敦
        <span class="w3-text">(<em>900万居民</em>)</span>
         是英国的首都。</p>
    <p class="w3-tooltip">伦敦
        <span class="w3-text w3-tag"><b>900万居民</b></span>
        是英国的首都。</p>
</div>
</body>
</html>
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