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CSS 默认值

HTML 元素的 CSS 默认值

下表显示了所有 HTML 元素的默认 CSS 浏览器值。

元素默认的 CSS 值TIY
a:link
  • color: (internal value);

  • text-decoration: underline;

  • cursor: auto;

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a:visited
  • color: (internal value);

  • text-decoration: underline;

  • cursor: auto;

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a:link:activecolor: (internal value);试一试
a:visited:activecolor: (internal value);试一试
abbrNone.
address
  • display: block;

  • font-style: italic;

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areadisplay: none;
articledisplay: block;
asidedisplay: block;
audioNone.
bfont-weight: bold;试一试
baseNone.
bdiNone.
bdounicode-bidi: bidi-override;
blockquote
  • display: block;

  • margin-top: 1em;

  • margin-bottom: 1em;

  • margin-left: 40px;

  • margin-right: 40px;

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body
  • display: block;

  • margin: 8px;

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body:focusoutline: none;试一试
brNone.
buttonNone
canvasNone.
caption
  • display: table-caption

  • text-align: center;

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citefont-style: italic;试一试
codefont-family: monospace;试一试
coldisplay: table-column;试一试
colgroupdisplay: table-column-group试一试
datalistdisplay: none;
dd
  • display: block;

  • margin-left: 40px;

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deltext-decoration: line-through;试一试
detailsdisplay: block;
dfnfont-style: italic;试一试
dialogNone.
divdisplay: block;试一试
dl
  • display: block;

  • margin-top: 1em;

  • margin-bottom: 1em;

  • margin-left: 0;

  • margin-right: 0;

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dtdisplay: block;试一试
emfont-style: italic;试一试
embed:focusoutline: none;
fieldset
  • display: block;

  • margin-left: 2px;

  • margin-right: 2px;

  • padding-top: 0.35em;

  • padding-bottom: 0.625em;

  • padding-left: 0.75em;

  • padding-right: 0.75em;

  • border: 2px groove (internal value);

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figcaptiondisplay: block;
figure
  • display: block;

  • margin-top: 1em;

  • margin-bottom: 1em;

  • margin-left: 40px;

  • margin-right: 40px;

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footerdisplay: block;
form
  • display: block;

  • margin-top: 0em;

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h1
  • display: block;

  • font-size: 2em;

  • margin-top: 0.67em;

  • margin-bottom: 0.67em;

  • margin-left: 0;

  • margin-right: 0;

  • font-weight: bold;

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h2
  • display: block;

  • font-size: 1.5em;

  • margin-top: 0.83em;

  • margin-bottom: 0.83em;

  • margin-left: 0;

  • margin-right: 0;

  • font-weight: bold;

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h3
  • display: block;

  • font-size: 1.17em;

  • margin-top: 1em;

  • margin-bottom: 1em;

  • margin-left: 0;

  • margin-right: 0;

  • font-weight: bold;

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h4
  • display: block;

  • margin-top: 1.33em;

  • margin-bottom: 1.33em;

  • margin-left: 0;

  • margin-right: 0;

  • font-weight: bold;

试一试
h5
  • display: block;

  • font-size: .83em;

  • margin-top: 1.67em;

  • margin-bottom: 1.67em;

  • margin-left: 0;

  • margin-right: 0;

  • font-weight: bold;

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h6
  • display: block;

  • font-size: .67em;

  • margin-top: 2.33em;

  • margin-bottom: 2.33em;

  • margin-left: 0;

  • margin-right: 0;

  • font-weight: bold;

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headdisplay: none;
headerdisplay: block;
hr
  • display: block;

  • margin-top: 0.5em;

  • margin-bottom: 0.5em;

  • margin-left: auto;

  • margin-right: auto;

  • border-style: inset;

  • border-width: 1px;

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html
  • display: block;

  • html:focus

  • outline: none;

ifont-style: italic;试一试
iframe:focusoutline: none;
iframe[seamless]display: block;
imgdisplay: inline-block;试一试
inputNone.
instext-decoration: underline;试一试
kbdfont-family: monospace;试一试
labelcursor: default;试一试
legend
  • display: block;

  • padding-left: 2px;

  • padding-right: 2px;

  • border: none;

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lidisplay: list-item;
linkdisplay: none;
mainNone.
mapdisplay: inline;
mark
  • background-color: yellow;

  • color: black;

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menu
  • display: block;

  • list-style-type: disc;

  • margin-top: 1em;

  • margin-bottom: 1em;

  • margin-left: 0;

  • margin-right: 0;

  • padding-left: 40px;

menuitemNone.
metaNone.
meterNone.
navdisplay: block;
noscriptNone.
object:focusoutline: none;
ol
  • display: block;

  • list-style-type: decimal;

  • margin-top: 1em;

  • margin-bottom: 1em;

  • margin-left: 0;

  • margin-right: 0;

  • padding-left: 40px;

试一试
optgroupNone.
optionNone.
outputdisplay: inline;
p
  • display: block;

  • margin-top: 1em;

  • margin-bottom: 1em;

  • margin-left: 0;

  • margin-right: 0;

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paramdisplay: none;
pictureNone.
pre
  • display: block;

  • font-family: monospace;

  • white-space: pre;

  • margin: 1em 0;

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progressNone.
qdisplay: inline;试一试
q::beforecontent: open-quote;试一试
q::aftercontent: close-quote;试一试
rpNone.
rtline-height: normal;
rubyNone.
stext-decoration: line-through;试一试
sampfont-family: monospace;
scriptdisplay: none;
sectiondisplay: block;试一试
selectNone.
smallfont-size: smaller;试一试
sourceNone.
spanNone.
striketext-decoration: line-through;试一试
strongfont-weight: bold;试一试
styledisplay: none;
sub
  • vertical-align: sub;

  • font-size: smaller;

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summarydisplay: block;
sup
  • vertical-align: super;

  • font-size: smaller;

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table
  • display: table;

  • border-collapse: separate;

  • border-spacing: 2px;

  • border-color: gray;

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tbody
  • display: table-row-group;

  • vertical-align: middle;

  • border-color: inherit;

td
  • display: table-cell;

  • vertical-align: inherit;

templateNone.
textareaNone.
tfoot
  • display: table-footer-group;

  • vertical-align: middle;

  • border-color: inherit;

th
  • display: table-cell;

  • vertical-align: inherit;

  • font-weight: bold;

  • text-align: center;

thead
  • display: table-header-group;

  • vertical-align: middle;

  • border-color: inherit;

timeNone.
titledisplay: none;
tr
  • display: table-row;

  • vertical-align: inherit;

  • border-color: inherit;

trackNone.
utext-decoration: underline;试一试
ul
  • display: block;

  • list-style-type: disc;

  • margin-top: 1em;

  • margin-bottom: 1 em;

  • margin-left: 0;

  • margin-right: 0;

  • padding-left: 40px;

试一试
varfont-style: italic;试一试
videoNone.
wbrNone.