的最小宽度属性用于设置的最小宽度，一个盒即可。min-width属性的值可以是数字，长度或百分比。
<html> <head> </head> <body> <p style = "min-width:400px; height:100px; border:1px solid red; padding:5px; margin:10px;"> This paragraph is 100px high and min width is 400px This paragraph is 100px high and min width is 400px </p> <img alt = "logo" src = "/css/images/css.gif" width = "100" height = "100" /> </body> </html>