W3.CSS具有非常漂亮且响应迅速的CSS，用于自定义按钮的外观。使用以下CSS：
| 序号 | 类名和描述 |
|---|---|
| 1 | w3-btn 代表一个标准按钮。还可用于将链接设置为按钮样式。 |
| 2 | w3-btn-floating 表示一个圆形的浮动按钮。 |
| 3 | w3-btn-floating-large 表示一个大的浮动按钮。 |
例
w3css_buttons.htm
<html>
<head>
<title>The W3.CSS Forms</title>
<meta name = "viewport" content = "width = device-width, initial-scale = 1">
<link rel = "stylesheet" href = "https://www.w3schools.com/lib/w3.css">
</head>
<body class = "w3-container">
<h2>Standard Buttons</h2>
<button class = "w3-btn">Click Me</button>
<button class = "w3-btn w3-teal">Click Me</button>
<button class = "w3-btn w3-disabled">I am disabled</button>
<h2>Links as Buttons</h2>
<a class = "w3-btn">Link</a>
<a class = "w3-btn w3-teal">Link</a>
<a class = "w3-btn w3-disabled">Disabled Link</a>
<h2>Floating Buttons</h2>
<a class = "w3-btn-floating">+</a>
<a class = "w3-btn-floating w3-teal">+</a>
<a class = "w3-btn-floating w3-disabled">+</a>
<h2>Large Floating Buttons</h2>
<a class = "w3-btn-floating-large">+</a>
<a class = "w3-btn-floating-large w3-teal">+</a>
<a class = "w3-btn-floating-large w3-disabled">+</a>
</body>
</html>作者：terry，如若转载，请注明出处：https://www.web176.com/w3css/929.html
