HTML默认样式
来源：PHPerz.com 作者：网络转载 发布时间：2007-12-21
html , address , blockquote , body , dd , div , dl , dt , fieldset , form , frame , frameset , h1 , h2 , h3 , h4 , h5 , h6 , noframes , ol , p , ul , center , dir , hr , menu , pre { display: block } li { display: list-item } head { display: none }
}
*[DIR="rtl"] { direction: rtl; unicode-bidi: embed }
@media print {
h1 { page-break-before: always }
h1, h2, h3,
h4, h5, h6 { page-break-after: avoid }
ul, ol, dl { page-break-before: avoid }
