code风格:
Bootstrap的代码风格有三种:<code><pre><kbd>
pre风格:
			<ul>
			<li>...</li>
			<li>...</li>
			<li>...</li>
			</ul>
		
kbd风格:
请输入ctrl+c来复制代码,然后使用ctrl+v来粘贴代码
变量:
y = mx + b
简单突出:
This text is meant to be treated as sample output output from a computer program.
	
  1. ....
  2. ....
  3. ....
  4. ....
  5. ....
  6. ....
  7. ....
  8. ....
  9. ....
  10. ....
  11. ....
  12. ....
  13. ....
  14. ....