fmpq.com
源代码：
点击运行
<html> <head> <style> body {background-color:yellow;} h1 {font-size:36pt;} h2 {color:blue;} p {margin-left:50px;} </style> </head> <body> <h1>This header is 36 pt</h1> <h2>This header is blue</h2> <p>This paragraph has a left margin of 50 pixels</p> </body> </html>
运行结果