你不需要将其转换为html文件 - 您需要使用html来显示它。

有很多方法可以做到这一点，但这应该有所帮助：http://www.w3schools.com/css/css_background.asp [ ^ ]

You don't need to "convert it to html file" - you need to use html to display it.
There are many ways to do this, but this should help: http://www.w3schools.com/css/css_background.asp[^]