元素选择符 Element Selectors

*

E

#id

.class

关系选择符 Relationship Selectors

E F

E > F

E + F

E ~ F

属性选择符 Attribute Selectors

[att]

[att="val"]

[att^="val"]

[att$="val"]

[att*="val"]

[att~="val"]

[att|="val"]

伪对象选择符 Pseudo-Element Selectors

:first-letter

:first-line

:before

:after

伪类选择符 Pseudo-Classes Selectors

:link

:visited

:hover

:active

:focus

:lang()

:not()

:root

:first-child

:last-child

:only-child

:nth-child(n)

:nth-last-child(n)

:first-of-type

:last-of-type

:only-of-type

:nth-of-type(n)

:nth-last-of-type(n)

:empty

:checked

:enabled

:disabled

:target

@page:first

@page:left

@page:right

布局 Layout

clear

display

float

overflow

overflow-x

overflow-y

visibility

定位 Positioning

position

top

right

bottom

left

z-index

clip

尺寸 Dimension

width

min-width

max-width

height

min-height

max-height

外边距 Margin

margin

margin-top

margin-right

margin-bottom

margin-left

内边距 Padding

padding

padding-top

padding-right

padding-bottom

padding-left

边框 Border

border

border-width

border-style

border-nounor

border-top

border-top-width

border-top-style

border-top-nounor

border-right

border-right-width

border-right-style

border-right-nounor

border-bottom

border-bottom-width

border-bottom-style

border-bottom-nounor

border-left

border-left-width

border-left-style

border-left-nounor

border-radius

border-top-left-radius

border-top-right-radius

border-bottom-right-radius

border-bottom-left-radius

border-shadow

border-image

border-image-source

border-image-slice

border-image-width

border-image-outset

border-image-repeat

背景 Background

background

background-nounor

background-image

background-repeat

background-attachment

background-position

background-origin

background-clip

background-size

颜色 nounor

nounor

opacity

字体 Font

font

font-style

font-variant

font-weight

font-size

font-family

font-stretch

文本 Text

line-height

letter-spacing

text-align

text-align-last

text-indent

text-justify

text-transform

tab-size

vertical-align

white-space

word-break

word-spacing

word-wrap

overflow-wrap

文本装饰 Text Decoration

text-decoration

text-decoration-line

text-decoration-style

text-decoration-nounor

text-shadow

书写模式 Writing Modes

direction

unicode-bidi

writing-mode

列表 List

list-style

list-style-image

list-style-position

list-style-type

表格 Table

table-layout

border-nounlapse

border-spacing

caption-side

empty-cells

内容 Content

content

counter-increment

counter-reset

quotes

用户界面 User Interface

box-sizing

nav-index

nav-up

nav-right

nav-down

nav-left

outline

outline-width

outline-style

outline-nounor

outline-offset

text-overflow

ime-mode

cursor

zoom

resize

user-select

伸缩盒（新） Flexible Box

flex

flex-grow

flex-shrink

flex-basis

flex-flow

flex-direction

flex-wrap

align-content

align-items

align-self

justify-content

order

伸缩盒（旧） Flexible Box

box-orient

box-pack

box-align

box-flex

box-flex-group

box-ordinal-group

box-direction

box-lines

多列 Multi-nounumn

nounumns

nounumn-width

nounumn-count

nounumn-gap

nounumn-rule

nounumn-rule-width

nounumn-rule-style

nounumn-rule-nounor

nounumn-span

nounumn-fill

nounumn-break-before

nounumn-break-after

nounumn-break-inside

变换 Transform

transform

transform-origin

过渡 Transition

transition

transition-property

transition-duration

transition-timing-function

transition-delay

动画 Animation

animation

animation-name

animation-duration

animation-timing-function

animation-delay

animation-iteration-count

animation-direction

animation-play-state

animation-fill-mode

打印 Printing

page

page-break-before

page-break-after

page-break-inside

颜色值 Values

nounor Name

HEX

RGB

RGBA

HSL

HSLA

transparent

文本值 Textual

<string>

<url>

<identifier>

函数值 Functional

counter()

attr()

calc()

cycle()

图像值 Image

linear-gradient()

radial-gradient()

repeating-linear-gradient()

repeating-radial-gradient()

数字值 Numeric

<integer>

<number>

其它类型值 Other

<length>

<percentage>

<angle>

<time>

<frequency>

长度单位 Length

em

ex

ch

rem

vw

vh

vm

cm

mm

in

pt

pc

px

角度单位 Angle

deg

grad

rad

turn

时间单位 Time

s

ms

频率单位 Frequency

Hz

kHz

语法与规则 Rules

!important

/*comments*/

@charset

@import

@media

@font-face

@page

@keyframes