storyday is a good site.You can find many useful tips about php html css and wordpress here.If you like it, you can add the rss feed to your reader,thank you. 呵呵，这样做圆角样式很cool吧？少用了图片，而且可以很方便的缩放，更加令人激动的是兼容主流的浏览器。 其实原理很简单:会css仔细看看就明白了，不会css的我说了你也未必明白，嘿嘿，不说了，自己看吧