主页
CSS 参考手册
CSS margin-top 属性
trycss_margin-top3
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <head> <style> p.ex1 { margin-top: 2em; } </style> </head> <body> <h1>The margin-top Property</h1> <p>A paragraph with no margins specified.</p> <p class="ex1">A paragraph with a 2 em top margin. The em unit is relative to the font-size of the element (2em means 2 times the size of the current font).</p> <p>A paragraph with no margins specified.</p> </body> </html>