W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<!DOCTYPE html> <html> <head> <style> img { position: absolute; left: 50px; } </style> </head> <body> <h1>This is a heading</h1> <img src="/i/smiley.gif" width="42" height="42"> </body> </html>