CSS 教程手册（新）: CSS速查总表; CSS 教程学习导读; CSS简介; CSS语法; CSS 创建; +
CSS 定位(Position)

position

z-index

top

right

bottom

left

clip; +
CSS 布局(Layout)

display

float

clear

visibility

overflow; +
CSS 尺寸 (Dimension)

width

min-width

max-width

height

min-height

max-height

margin

padding; +
CSS 外边距(Margin)

margin-bottom

margin-left

margin-right

margin-top; +
CSS 填充（Padding）

padding-bottom

padding-left

padding-right

padding-top; +
CSS 背景(Backgrounds)

background

background-color

background-image

background-repeat

background-attachment

background-position

background-origin

background-clip

background-size; +
CSS 边框(Border)

border

border-width

border-style

border-color

box-shadow

border-radius

border-image

border-image-source

border-image-slice

border-image-width

border-image-outset

border-image-repeat; +
CSS 颜色(Color)

color

opacity; +
CSS 字体(Fonts)

font

font-style

font-variant

font-weight

font-size

font-family

font-stretch

font-size-adjust; +
CSS 文本(Text)

text-transform

white-space

tab-size

word-break

word-wrap

text-align

text-align-last

text-justify

word-spacing

letter-spacing

text-indent

vertical-align

line-height

text-size-adjust; -
CSS 文本装饰(Text Decoration)

text-decoration

text-decoration-line

text-decoration-color

text-decoration-style

text-decoration-skip

text-underline-position

text-shadow; +
CSS 书写模式(Writing Modes)

direction

unicode-bidi

writing-mode; +
CSS 列表样式(List)

list-style

list-style-image

list-style-position

list-style-type; +
CSS 表格(Table)

table-layout

border-collapse

border-spacing

caption-side

empty-cells; +
CSS 内容(Content)

content

counter-increment

counter-reset

quotes; +
CSS用户界面(User Interface)

appearance

text-overflow

outline

outline-width

outline-color

outline-style

outline-offset

nav-index

nav-up

nav-right

nav-down

nav-left

cursor

zoom

box-sizing

resize

ime-mode

user-select

pointer-events; +
CSS打印(Print)

page

page-break-before

page-break-after

page-break-inside; +
CSS媒体查询(Media Queries)

width

height

device-width

device-height

orientation

aspect-ratio

device-aspect-ratio

color

color-index

monochrome

<resolution>

scan

<grid>; CSS 链接(Link); +
CSS 轮廓（Outline）

outline

outline-color

outline-offset

outline-style

outline-width; CSS 分组和嵌套(Grouping and Nesting); CSS 浮动 (Float); CSS 盒子模型（Box Model）; CSS 显示(Display); CSS 导航栏(Navigation Bar); CSS 溢出(Overflow); CSS 下拉菜单(Drop down menu); CSS 对齐(Align); CSS 提示工具(Prompt Tool); CSS 图片廊(Image Gallery); +
CSS 图像透明/不透明(Opacity)

opacity; CSS 图像拼合技术(Image stitching technique); CSS 媒体类型(Media Type); +
Only IE

scrollbar-3dlight-color

scrollbar-darkshadow-color

scrollbar-highlight-color

scrollbar-shadow-color

scrollbar-arrow-color

scrollbar-face-color

scrollbar-track-color

scrollbar-base-color

filter

behavior; +
Only Webkit

text-stroke-width

text-stroke-color

box-reflect

tap-highlight-color

user-drag

text-fill-color

text-stroke; +
Only Firefox

border-colors

border-top-colors

border-right-colors

border-bottom-colors

border-left-colors; CSS 总结; CSS 手册导读; CSS 选择器; CSS 听觉参考手册; CSS Web安全字体组合; CSS 动画; CSS 函数; CSS 单位; CSS 颜色; +
CSS 颜色值

color

Color Name

HEX

RGB

RGBA

HSL

HSLA

transparent

currentColor; CSS 颜色名; CSS 颜色十六进制; CSS attr() 函数; CSS calc() 函数; CSS linear-gradient() 函数; CSS radial-gradient() 函数; CSS repeating-linear-gradient() 函数; +
元素选择符

* 选择器

element 选择器

#id 选择器

.class 选择器; +
关系选择符

包含选择器（E F）

子选择器（E>F）

相邻选择器(E+F)

兄弟选择器(E~F); +
属性选择符

[attribute] 选择器

[attribute=value] 选择器

[attribute~=value] 选择器

[attribute^=value] 选择器

[attribute$=value] 选择器

[attribute*=value] 选择器

[attribute|=value]选择器; +
伪类选择符

:link 选择器

:visited 选择器

:hover 选择器

:active 选择器

:focus 选择器

:lang 选择器

:not 选择器

:root 选择器

:first-child 选择器

:last-child 选择器

:only-child 选择器

:nth-child() 选择器

:nth-last-child() 选择器

:first-of-type 选择器

:last-of-type 选择器

:only-of-type 选择器

:nth-of-type()选择器

:nth-last-of-type() 选择器

:empty 选择器

:checked 选择器

:enabled 选择器

:disabled 选择器

:target 选择器

@page :first选择器

@page :left选择器

@page :right选择器; +
伪对象选择符

:first-letter 选择器

:first-line 选择器

:before 选择器

:after 选择器

::placeholder选择器

::selection 选择器; +
CSS 长度(Length)

<length>

em

ex

ch

rem

vw

vh

vmax

vmin

cm

mm

q

in

pt

pc

px; +
CSS 角度(Angle)

<angle>

deg

grad

rad

turn; +
CSS 时间(Time)

<time>

s

ms; +
CSS 频率(Frequency)

<frequency>

Hz

kHz; +
CSS 布局(Layout-specific)

<fraction>

grad

fr

gr; +
CSS 分辨率(Resolution)

<resolution>

dpi

dpcm

dppx; +
CSS 文本(Textual)

inherit

initial

unset

<string>

<url>

<identifier>; +
CSS 函数(Functional)

calc()

toggle(); +
CSS 生成内容(Content)

attr()

counter()

counters(); +
CSS 图像(Image)

<image>

image()

image-set()

<gradient>

linear-gradient()

radial-gradient()

repeating-linear-gradient()

repeating-radial-gradient(); +
CSS 数字(Numeric)

<number>

<integer>

<percentage>; !important; comment; @import; @page; @supports; border-top; scan; border-top-color; overflow-wrap; border-top-left-radius; text-size-adjust; border-top-right-radius; text-decoration-skip; text-underline-position; border-top-style; column-break-before; border-top-width; column-break-after; border-width; column-break-inside; bottom; text-fill-color; box-align; box-reflect; box-direction; tap-highlight-color; user-drag; box-flex; border-colors; box-flex-group; border-top-colors; box-lines; border-right-colors; box-ordinal-group; border-bottom-colors; border-left-colors; box-orient; scrollbar-3dlight-color; box-pack; scrollbar-darkshadow-color; box-shadow; scrollbar-highlight-color; box-sizing; scrollbar-shadow-color; caption-side; scrollbar-arrow-color; clear; scrollbar-arrow-color; clip; scrollbar-face-color; color; scrollbar-track-color; column-count; scrollbar-base-color; column-fill; behavior; column-gap; column-rule; column-rule-color; column-rule-style; column-rule-width; column-span; column-width; columns; content; counter-increment; counter-reset; cursor; direction; display; empty-cells; filter; flex; flex-basis; flex-direction; flex-flow; flex-grow; flex-shrink; flex-wrap; float; font; @font-face; font-family; font-size; font-size-adjust; font-stretch; font-style; font-variant; font-weight; grid-columns; grid-rows; hanging-punctuation; height; icon; justify-content; @keyframes; left; letter-spacing; line-height; list-style; list-style-image; list-style-position; list-style-type; margin; margin-bottom; margin-left; margin-right; margin-top; max-height; max-width; @media; min-height; min-width; nav-down; nav-index; nav-left; nav-right; nav-up; opacity; order; outline; outline-color; outline-offset; outline-style; outline-width; overflow; overflow-x; overflow-y; padding; padding-bottom; padding-left; padding-right; padding-top; page-break-after; page-break-before; page-break-inside; perspective; perspective-origin; position; punctuation-trim; quotes; resize; right; rotation; tab-size; table-layout; target; target-name; target-new; target-position; text-align; text-align-last; text-decoration; text-decoration-color; text-decoration-line; text-decoration-style; text-indent; text-justify; text-outline; text-overflow; text-shadow; text-transform; text-wrap; top; transform; transform-origin; transform-style; transition; transition-delay; transition-duration; transition-property; transition-timing-function; unicode-bidi; pointer-events; vertical-align; user-select; visibility; ime-mode; white-space; zoom; width; -webkit-appearance; word-break; @charset; word-spacing; text-stroke; word-wrap; text-stroke-width; z-index; text-stroke-color; writing-mode; <angle>; deg; grad; rad; turn; s; align-content; ms; <frequency>; align-items; Hz; align-self; kHz; all; <fraction>; animation; <grid>; animation-delay; fr; animation-direction; gr; animation-duration; <resolution>; animation-fill-mode; dpi; animation-iteration-count; dpcm; dppx; animation-name; unset; animation-play-state; <string>; <url>; animation-timing-function; <identifier>; appearance; calc(); backface-visibility; toggle(); background; counter(); background-attachment; counters(); attr(); <image>; background-blend-mode; image(); background-clip; image-set(); background-color; <gradient>; background-image; repeating-radial-gradient(); background-origin; <integer>; background-position; <percentage>; background-repeat; background-size; border; border-bottom; border-bottom-color; border-bottom-left-radius; border-bottom-right-radius; border-bottom-style; border-bottom-width; border-collapse; border-color; border-image; border-image-outset; border-image-repeat; page; border-image-slice; page-break-before; border-image-source; page-break-after; page-break-inside; border-image-width; border-left; border-left-color; border-left-style; border-left-width; border-radius; border-right; device-width; border-right-color; device-height; border-right-style; orientation; border-right-width; aspect-ratio; border-spacing; device-aspect-ratio; border-style; color-index; monochrome; initial; inherit; RGBA; Color Name; HEX; RGB; HSL; HSLA; transparent; currentColor; <length>; em; ex; ch; rem; vw; vh; vmax; vmin; cm; mm; q; in; pt; pc; px; <number>; 颜色关键字(Color Keywords); 媒体类型(Media Types); 条件Hack; 属性级Hack; 选择符级Hack; Bugs及解决方案列表; CSS技巧和经验列表; 其它技巧和经验列表; 参考资源列表

text-underline-position

检索或设置对象中的下划线的位置

前端控更新时间：2019-03-25 10:33:57

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text-underline-position

语法：

text-underline-position：auto | [ under || [ left | right ] ]

默认值：auto

适用于：所有元素

继承性：是

动画性：否

计算值：特定值

取值：

auto：用户代理可能会使用任意算法确定下划线的位置。

under：下划线的定位与元素内容盒子的下边缘相关

left：下划线的定位与元素内容盒子的左边缘相关

right：下划线的定位与元素内容盒子的右边缘相关

说明：

检索或设置对象中的下划线的位置。

对应的脚本特性为textUnderlinePosition。

兼容性：

浅绿 = 支持

红色 = 不支持

粉色 = 部分支持

Values	IE	Firefox	Chrome	Safari	Opera	iOS Safari	Android Browser	Android Chrome
Basic Support	6.0-11.0	2.0-40.0	4.0-45.0	6.0-7.0	15.0-29.0	6.0-7.1	2.1-4.4.4	18.0-42.0
Basic Support	6.0-11.0	2.0-40.0	4.0-45.0	7.1- 8.0^-webkit-^#1	15.0-29.0	8.0- 8.3^-webkit-^#1	2.1-4.4.4	18.0-42.0

注意：#1表示支持该属性，但未实现效果

推荐手册

text-underline-position

语法：

取值：

说明：

兼容性：