W3.CSS - 图标

W3.CSS 支持以下流行的图标库 -

字体真棒图标
谷歌材质图标
引导图标

用法

要使用图标，请将图标的名称放入 HTML <i> 元素的类中。要控制图标的大小，您可以使用以下类 -

先生。没有。	类名和描述
1	w3-小绘制一个非常小的图标。
2	w3-小号绘制一个小尺寸的图标。
3	w3-大号绘制一个大尺寸的图标。
4	w3-超大绘制一个超大尺寸的图标。
5	w3-xxlarge 绘制一个非常大的图标。
6	w3-xxxlarge 绘制一个非常高的超大尺寸的图标。

例子

w3css_icons.htm

现场演示

<html>
   <head>
      <title>The W3.CSS Icons</title>
      <meta name = "viewport" content = "width = device-width, initial-scale = 1"> 
      <link rel = "stylesheet" href = "https://www.w3schools.com/lib/w3.css">
      <link rel = "stylesheet" href = "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.4.0/css/font-awesome.min.css">
      <link rel = "stylesheet" href = "https://fonts.googleapis.com/icon?family=Material+Icons">
      <link rel = "stylesheet" href = "http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
   </head>
   
   <body class = "w3-container">
      <h2>Icons Demo</h2>
      <hr/>
      <h3>Font Awesome Icon Demo</h3>
      <i class = "fa fa-cloud"></i>
      <i class = "fa fa-cloud w3-large"></i>
      <i class = "fa fa-cloud w3-xlarge"></i>
      <i class = "fa fa-cloud w3-xxlarge"></i>
      <i class = "fa fa-cloud w3-xxxlarge"></i>
      <i class = "fa fa-cloud w3-text-teal" style = "font-size:64px"></i>
      
      <h3>Google Material Design Icon Demo</h3>
      <i class = "material-icons w3-large">cloud</i>
      <i class = "material-icons">cloud</i>
      <i class = "material-icons w3-xlarge">cloud</i>
      <i class = "material-icons w3-xxlarge">cloud</i>
      <i class = "material-icons w3-xxxlarge">cloud</i>
      <i class = "material-icons w3-text-teal" style = "font-size:64px">cloud</i>
      
      <h3>Bootstrap Icon Demo</h3>
      <i class = "glyphicon glyphicon-cloud"></i>
      <i class = "gclass = "glyphicon glyphicon-cloud w3-large"></i>
      <i class = "glyphicon glyphicon-cloud w3-xlarge"></i>
      <i class = "glyphicon glyphicon-cloud w3-xxlarge"></i>
      <i class = "glyphicon glyphicon-cloud w3-xxxlarge"></i>
      <i class = "glyphicon glyphicon-cloud w3-text-teal" style = "font-size:64px"></i>
   </body>
</html>

结果

验证结果。