max-width属性用于设置一个盒子的最大宽度。max-width属性的值可以是一个数字、一个长度或一个百分比。
<html>
<head>
</head>
<body>
<p style = "max-width:100px; height:200px; border:1px solid green; padding:5px; margin:10px;">
This paragraph is 200px high and max width is 100px
This paragraph is 200px high and max width is 100px
</p>
<img alt = "logo" src="/css/images/logo.png" width = "100" height = "100" />
</body>
</html>