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 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:active color: (internal value); 试一试
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;
 试一试
footer display: 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
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;
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.