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CSS 默认值参考

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;
试一试
a:visited
  • color: (internal value);
  • text-decoration: underline;
  • cursor: auto;
试一试
a:link:activecolor: (internal value);试一试
a:visited:activecolor: (internal value);试一试
abbrNone.
address
  • display: block;
  • font-style: italic;
试一试
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;
试一试
body
  • display: block;
  • margin: 8px;
试一试
body:focusoutline: none;试一试
brNone.
buttonNone
canvasNone.
caption
  • display: table-caption
  • text-align: center;
试一试
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;
试一试
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;
试一试
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);
试一试
figcaptiondisplay: block;
figure
  • display: block;
  • margin-top: 1em;
  • margin-bottom: 1em;
  • margin-left: 40px;
  • margin-right: 40px;
试一试
footerdisplay: block;
form
  • display: block;
  • margin-top: 0em;
试一试
h1
  • display: block;
  • font-size: 2em;
  • margin-top: 0.67em;
  • margin-bottom: 0.67em;
  • margin-left: 0;
  • margin-right: 0;
  • font-weight: bold;
试一试
h2
  • display: block;
  • font-size: 1.5em;
  • margin-top: 0.83em;
  • margin-bottom: 0.83em;
  • margin-left: 0;
  • margin-right: 0;
  • font-weight: bold;
试一试
h3
  • display: block;
  • font-size: 1.17em;
  • margin-top: 1em;
  • margin-bottom: 1em;
  • margin-left: 0;
  • margin-right: 0;
  • font-weight: bold;
试一试
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;
试一试
h6
  • display: block;
  • font-size: .67em;
  • margin-top: 2.33em;
  • margin-bottom: 2.33em;
  • margin-left: 0;
  • margin-right: 0;
  • font-weight: bold;
试一试
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;
试一试
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;
试一试
lidisplay: list-item;
linkdisplay: none;
mainNone.
mapdisplay: inline;
mark
  • background-color: yellow;
  • color: black;
试一试
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;
试一试
paramdisplay: none;
pictureNone.
pre
  • display: block;
  • font-family: monospace;
  • white-space: pre;
  • margin: 1em 0;
试一试
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;
试一试
summarydisplay: block;
sup
  • vertical-align: super;
  • font-size: smaller;
试一试
table
  • display: table;
  • border-collapse: separate;
  • border-spacing: 2px;
  • border-color: gray;
试一试
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.
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