CSS background-color 实例!


This is heading 1

This is heading 2

This is heading 3

该文本插入在 div 元素中。

该段落有自己的背景颜色。

我们仍然在同一个 div 中。

This is some text.

This is some text.

This is some text.


This is a paragraph.

This is a paragraph.

This is a paragraph.

This is a paragraph.