span 如何设置宽度?
代码一:
<html>
<body>
<span style="width:80%">新闻标题</span><span style="20%">2006-5-27</span>
</body>
</html>
代码二:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<body>
<span style="width:80%">新闻标题</span><span style="20%">2006-5-27</span>
</body>
</html>
为什么加上<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">这一句,span的宽度失效了?