原文來自：W3C (http://www.w3.org/TR/CSS21/sample.html)

感謝Junchen提供本信息

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 }

table           { display: table }

tr              { display: table-row }

thead           { display: table-header-group }

tbody           { display: table-row-group }

tfoot           { display: table-footer-group }

col             { display: table-column }

colgroup        { display: table-column-group }

td, th          { display: table-cell; }

caption         { display: table-caption }

th              { font-weight: bolder; text-align: center }

caption         { text-align: center }

body            { margin: 8px; line-height: 1.12 }

h1              { font-size: 2em; margin: .67em 0 }

h2              { font-size: 1.5em; margin: .75em 0 }

h3              { font-size: 1.17em; margin: .83em 0 }

h4, p,

blockquote, ul,

fieldset, form,

ol, dl, dir,

menu            { margin: 1.12em 0 }

h5              { font-size: .83em; margin: 1.5em 0 }

h6              { font-size: .75em; margin: 1.67em 0 }

h1, h2, h3, h4,

h5, h6, b,

strong          { font-weight: bolder }

blockquote      { margin-left: 40px; margin-right: 40px }

i, cite, em,

var, address    { font-style: italic }

pre, tt, code,

kbd, samp       { font-family: monospace }

pre             { white-space: pre }

button, textarea,

input, object, 

select          { display:inline-block; }

big             { font-size: 1.17em }

small, sub, sup { font-size: .83em }

sub             { vertical-align: sub }

sup             { vertical-align: super }

table           { border-spacing: 2px; }

thead, tbody,

tfoot           { vertical-align: middle }

td, th          { vertical-align: inherit }

s, strike, del  { text-decoration: line-through }

hr              { border: 1px inset }

ol, ul, dir,

menu, dd        { margin-left: 40px }

ol              { list-style-type: decimal }

ol ul, ul ol,

ul ul, ol ol    { margin-top: 0; margin-bottom: 0 }

u, ins          { text-decoration: underline }

br:before       { content: "\A" }

:before, :after { white-space: pre-line }

center          { text-align: center }

abbr, acronym   { font-variant: small-caps; letter-spacing: 0.1em }

:link, :visited { text-decoration: underline }

:focus          { outline: thin dotted invert }

/* Begin bidirectionality settings (do not change) */

BDO[DIR="ltr"]  { direction: ltr; unicode-bidi: bidi-override }

BDO[DIR="rtl"]  { direction: rtl; unicode-bidi: bidi-override }

*[DIR="ltr"]    { direction: ltr; unicode-bidi: embed }

*[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 }

}