首页
CSS
CSS 填充
试一试：填充和元素宽度
运行 ❯
获取您
自己
的网站
×
更改方向
保存代码
更改主题，深色/浅色
前往 Spaces
<!DOCTYPE html> <html> <head> <style> div.ex1 { width: 300px; background-color: yellow; } div.ex2 { width: 300px; padding: 25px; background-color: lightblue; } </style> </head> <body> <h2>Padding and element width</h2> <div class="ex1">This div is 300px wide.</div> <br> <div class="ex2">The width of this div is 350px, even though it is defined as 300px in the CSS.</div> </body> </html>
