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                        这个“浏览器默认HTML的CSS样式属性”,在你需要还原默认值的时候,比较有用。开始的时候应用通配选择器 *{margin:0;padding:0;},当需要使用边距的时候,就需要还原HTML默认CSS值了。
 以前一直在找这份文档,今天偶然在w3上看到了。除了inline和block的定义,主要是要注意body|h1~h6|blockquote|menu|ul|ol|dd等标签的默认样式(margin和font-size)。 
代码
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 }                         (编辑:91站长网) 
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