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 }/*以上列表元素默認(rèn)狀態(tài)下以塊狀顯示，未顯示的將以內(nèi)聯(lián)元素顯示，該列表針對(duì)HTML4版本，部分元素在XHTML1中將廢棄*/
li { display: list-item }/*默認(rèn)以列表顯示*/
head { display: none }/*默認(rèn)不顯示*/
table { display: table }/*默認(rèn)為表格顯示*/
tr { display: table-row }/*默認(rèn)為表格行顯示*/
thead { display: table-header-group }/*默認(rèn)為表格頭部分組顯示*/
tbody { display: table-row-group }/*默認(rèn)為表格行分組顯示*/
tfoot { display: table-footer-group }/*默認(rèn)為表格底部分組顯示*/
col { display: table-column }/*默認(rèn)為表格列顯示*/
colgroup { display: table-column-group }/*默認(rèn)為表格列分組顯示*/
td, th { display: table-cell; }/*默認(rèn)為單元格顯示*/
caption { display: table-caption }/*默認(rèn)為表格標(biāo)題顯示*/
th { font-weight: bolder; text-align: center }/*默認(rèn)為表格標(biāo)題顯示，呈現(xiàn)加粗居中狀態(tài)*/
caption { text-align: center }/*默認(rèn)為表格標(biāo)題顯示，呈現(xiàn)居中狀態(tài)*/
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 }/*定義sub元素默認(rèn)為下標(biāo)顯示*/
sup { vertical-align: super }/*定義sub元素默認(rèn)為上標(biāo)顯示*/
table { border-spacing: 2px; }
thead, tbody, tfoot { vertical-align: middle }/*定義表頭、主體表、表腳元素默認(rèn)為垂直對(duì)齊*/
td, th { vertical-align: inherit }/*定義單元格、列標(biāo)題默認(rèn)為垂直對(duì)齊默認(rèn)為繼承*/
s, strike, del { text-decoration: line-through }/*定義這些元素默認(rèn)為刪除線顯示*/
hr { border: 1px inset }/*定義分割線默認(rèn)為1px寬的3D凹邊效果*/
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" }/*定義換行元素的偽對(duì)象內(nèi)容樣式*/
:before, :after { white-space: pre-line }/*定義偽對(duì)象空格字符的默認(rèn)樣式*/
center { text-align: center }
