没有明确设置的属性都是有默认值的,这个也要知道,代码复制到本地使用。
css默认值 编程笔记 html5&css&js
元素
默认的 CSS 值
a:link
- color: (internal value);
- text-decoration: underline;
- cursor: auto;
a:visited
- color: (internal value);
- text-decoration: underline;
- cursor: auto;
a:link:active
color: (internal value);
a:visited:active
color: (internal value);
abbr
None.
address
- display: block;
- font-style: italic;
area
display: none;
article
display: block;
aside
display: block;
audio
None.
b
font-weight: bold;
base
None.
bdi
None.
bdo
unicode-bidi: bidi-override;
blockquote
- display: block;
- margin-top: 1em;
- margin-bottom: 1em;
- margin-left: 40px;
- margin-right: 40px;
body
- display: block;
- margin: 8px;
body:focus
outline: none;
br
None.
button
None
canvas
None.
caption
- display: table-caption
- text-align: center;
cite
font-style: italic;
code
font-family: monospace;
col
display: table-column;
colgroup
display: table-column-group
datalist
display: none;
dd
- display: block;
- margin-left: 40px;
del
text-decoration: line-through;
details
display: block;
dfn
font-style: italic;
dialog
None.
div
display: block;
dl
- display: block;
- margin-top: 1em;
- margin-bottom: 1em;
- margin-left: 0;
- margin-right: 0;
dt
display: block;
em
font-style: italic;
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);
figcaption
display: block;
figure
- display: block;
- margin-top: 1em;
- margin-bottom: 1em;
- margin-left: 40px;
- margin-right: 40px;
footer
display: block;
form
- display: block;
- margin-top: 0em;
h1
- display: block;
- font-size: 2em;
- margin-top: 0.67em;
- margin-bottom: 0.67em;
- margin-left: 0;
- margin-right: 0;
- font-weight: bold;
h2
- display: block;
- font-size: 1.5em;
- margin-top: 0.83em;
- margin-bottom: 0.83em;
- margin-left: 0;
- margin-right: 0;
- font-weight: bold;
h3
- display: block;
- font-size: 1.17em;
- margin-top: 1em;
- margin-bottom: 1em;
- margin-left: 0;
- margin-right: 0;
- font-weight: bold;
h4
- display: block;
- margin-top: 1.33em;
- margin-bottom: 1.33em;
- margin-left: 0;
- margin-right: 0;
- font-weight: bold;
h5
- display: block;
- font-size: .83em;
- margin-top: 1.67em;
- margin-bottom: 1.67em;
- margin-left: 0;
- margin-right: 0;
- font-weight: bold;
h6
- display: block;
- font-size: .67em;
- margin-top: 2.33em;
- margin-bottom: 2.33em;
- margin-left: 0;
- margin-right: 0;
- font-weight: bold;
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;
html
- display: block;
- html:focus
- outline: none;
i
font-style: italic;
iframe:focus
outline: none;
iframe[seamless]
display: block;
img
display: inline-block;
input
None.
ins
text-decoration: underline;
kbd
font-family: monospace;
label
cursor: default;
legend
- display: block;
- padding-left: 2px;
- padding-right: 2px;
- border: none;
li
display: list-item;
link
display: none;
main
None.
map
display: inline;
mark
- background-color: yellow;
- color: black;
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;
optgroup
None.
option
None.
output
display: inline;
p
- display: block;
- margin-top: 1em;
- margin-bottom: 1em;
- margin-left: 0;
- margin-right: 0;
param
display: none;
picture
None.
pre
- display: block;
- font-family: monospace;
- white-space: pre;
- margin: 1em 0;
progress
None.
q
display: inline;
q::before
content: open-quote;
q::after
content: close-quote;
rp
None.
rt
line-height: normal;
ruby
None.
s
text-decoration: line-through;
samp
font-family: monospace;
script
display: none;
section
display: block;
select
None.
small
font-size: smaller;
source
None.
span
None.
strike
text-decoration: line-through;
strong
font-weight: bold;
style
display: none;
sub
- vertical-align: sub;
- font-size: smaller;
summary
display: block;
sup
- vertical-align: super;
- font-size: smaller;
table
- display: table;
- border-collapse: separate;
- border-spacing: 2px;
- border-color: gray;
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;
ul
- display: block;
- list-style-type: disc;
- margin-top: 1em;
- margin-bottom: 1 em;
- margin-left: 0;
- margin-right: 0;
- padding-left: 40px;
var
font-style: italic;
video
None.
wbr
None.