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CSS 参考手册

CSS 参考手册CSS 浏览器支持CSS 选择器参考手册CSS 函数参考手册CSS 听觉参考手册CSS 网络安全字体CSS 动画相关属性CSS 单位Px/Em 换算CSS 颜色CSS 合法颜色值CSS 默认值参考手册CSS 实体

CSS 属性

align-contentalign-itemsalign-selfallanimationanimation-delayanimation-directionanimation-durationanimation-fill-modeanimation-iteration-countanimation-nameanimation-play-stateanimation-timing-functionbackface-visibilitybackgroundbackground-attachmentbackground-blend-modebackground-clipbackground-colorbackground-imagebackground-originbackground-positionbackground-repeatbackground-sizeborderborder-bottomborder-bottom-colorborder-bottom-left-radiusborder-bottom-right-radiusborder-bottom-styleborder-bottom-widthborder-collapseborder-colorborder-imageborder-image-outsetborder-image-repeatborder-image-sliceborder-image-sourceborder-image-widthborder-leftborder-left-colorborder-left-styleborder-left-widthborder-radiusborder-rightborder-right-colorborder-right-styleborder-right-widthborder-spacingborder-styleborder-topborder-top-colorborder-top-left-radiusborder-top-right-radiusborder-top-styleborder-top-widthborder-widthbottombox-decoration-breakbox-shadowbox-sizingbreak-afterbreak-beforebreak-insidecaption-sidecaret-color@charsetclearclipclip-pathcolorcolumn-countcolumn-fillcolumn-gapcolumn-rulecolumn-rule-colorcolumn-rule-stylecolumn-rule-widthcolumn-spancolumn-widthcolumnscontentcounter-incrementcounter-resetcursordirectiondisplayempty-cellsfilterflexflex-basisflex-directionflex-flowflex-growflex-shrinkflex-wrapfloatfont@font-facefont-familyfont-feature-settingsfont-kerningfont-sizefont-size-adjustfont-stretchfont-stylefont-variantfont-weightgridgrid-areagrid-auto-columnsgrid-auto-flowgrid-auto-rowsgrid-columngrid-column-endgrid-column-gapgrid-column-startgrid-gapgrid-rowgrid-row-endgrid-row-gapgrid-row-startgrid-templategrid-template-areasgrid-template-columnsgrid-template-rowshanging-punctuationheighthyphens@importisolationjustify-content@keyframesleftletter-spacingline-heightlist-stylelist-style-imagelist-style-positionlist-style-typemarginmargin-bottommargin-leftmargin-rightmargin-topmax-heightmax-width@mediamin-heightmin-widthmix-blend-modeobject-fitobject-positionopacityorderoutlineoutline-coloroutline-offsetoutline-styleoutline-widthoverflowoverflow-xoverflow-ypaddingpadding-bottompadding-leftpadding-rightpadding-toppage-break-afterpage-break-beforepage-break-insideperspectiveperspective-originpointer-eventspositionquotesresizerightscroll-behaviortab-sizetable-layouttext-aligntext-align-lasttext-decorationtext-decoration-colortext-decoration-linetext-decoration-styletext-indenttext-justifytext-overflowtext-shadowtext-transformtoptransformtransform-origintransform-styletransitiontransition-delaytransition-durationtransition-propertytransition-timing-functionunicode-bidiuser-selectvertical-alignvisibilitywhite-spacewidthword-breakword-spacingword-wrapwriting-modez-index


CSS 默认值参考手册


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 试一试
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:active color: (internal value);
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a:visited:active color: (internal value);
试一试 »
abbr None.
address display: block;
font-style: italic;
试一试 »
area display: none;
article display: block;
aside display: block;
audio None.
b font-weight: bold; 试一试 »
base None.
bdi None.
bdo unicode-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:focus outline: none; 试一试 »
br None.
button None
canvas None.
caption display: table-caption;
text-align: center;
试一试 »
cite font-style: italic; 试一试 »
code font-family: monospace; 试一试 »
col display: table-column; 试一试 »
colgroup display: table-column-group 试一试 »
datalist display: none;
dd display: block;
margin-left: 40px;
试一试 »
del text-decoration: line-through; 试一试 »
details display: block;
dfn font-style: italic; 试一试 »
dialog None.
div display: block; 试一试 »
dl display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 0;
margin-right: 0;
试一试 »
dt display: block; 试一试 »
em font-style: italic; 试一试 »
embed:focus outline: 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 »
figcaption display: block;
figure display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 40px;
margin-right: 40px;
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footer display: 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;
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 »
head display: none;
header display: 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;
i font-style: italic; 试一试 »
iframe:focus outline: none;
iframe[seamless] display: block;
img display: inline-block; 试一试 »
input None.
ins text-decoration: underline; 试一试 »
kbd font-family: monospace; 试一试 »
label cursor: default; 试一试 »
legend display: block;
padding-left: 2px;
padding-right: 2px;
border: none;
试一试 »
li display: list-item;
link display: none;
main None.
map display: 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;
menuitem None.
meta None.
meter None.
nav display: block;
noscript None.
object:focus outline: 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 »
optgroup None.
option None.
output display: inline;
p display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 0;
margin-right: 0;
试一试 »
param display: none;
picture None.
pre display: block;
font-family: monospace;
white-space: pre;
margin: 1em 0;
试一试 »
progress None.
q display: inline; 试一试 »
q::before content: open-quote; 试一试 »
q::after content: close-quote; 试一试 »
rp None.
rt line-height: normal;
ruby None.
s text-decoration: line-through; 试一试 »
samp font-family: monospace; 试一试 »
script display: none;
section display: block; 试一试 »
select None.
small font-size: smaller; 试一试 »
source None.
span None.
strike text-decoration: line-through; 试一试 »
strong font-weight: bold; 试一试 »
style display: none;
sub vertical-align: sub;
font-size: smaller;
试一试 »
summary display: 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;
template None.
textarea None.
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;
time None.
title display: none;
tr display: table-row;
vertical-align: inherit;
border-color: inherit;
track None.
u text-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 »
var font-style: italic; 试一试 »
video None.
wbr None.