App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<head>
<title>W3.CSS(w3cschool.cn)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
</head>
<body>
<div class="w3-panel w3-red w3-display-container">
<span onclick="this.parentElement.style.display='none'" class="w3-button w3-red w3-large w3-display-topright"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">×</font></font></span>
<h3><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"></font></font></h3>
<p><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"></font></font></p>
</div>
<div class="w3-panel w3-yellow w3-display-container">
<span onclick="this.parentElement.style.display='none'" class="w3-button w3-yellow w3-large w3-display-topright"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">×</font></font></span>
<h3><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"></font></font></h3>
<p><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"></font></font></p>
</div>
<div class="w3-panel w3-green w3-display-container">
<span onclick="this.parentElement.style.display='none'" class="w3-button w3-green w3-large w3-display-topright"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">×</font></font></span>
<h3><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"></font></font></h3>
<p><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">绿</font></font></p>
</div>
<div class="w3-panel w3-blue w3-display-container">
<span onclick="this.parentElement.style.display='none'" class="w3-button w3-blue w3-large w3-display-topright"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">×</font></font></span>
<h3><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"></font></font></h3>
<p><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"></font></font></p>
</div>
</body>
</html>
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
运行结果