简介 更新历史 关于样式表 属性 定位 布局 position z-index top right bottom left clip display float clear visibility overflow overflow-x overflow-y 尺寸 width min-width max-width height min-height max-height 外补白 margin margin-top margin-right margin-bottom margin-left 内补白 padding padding-top padding-right padding-bottom padding-left 边框 border border-width border-style border-color border-top border-top-width border-top-style border-top-color border-right border-right-width border-right-style border-right-color border-bottom border-bottom-width border-bottom-style border-bottom-style border-bottom-color border-left border-left-width border-left-style border-left-color border-radius border-top-left-radius border-top-right-radius border-bottom-right-radius border-bottom-left-radius box-shadow border-image border-image-source border-image-slice border-image-width border-image-outset border-image-repeat 背景 background background-color background-image background-repeat background-attachment background-position background-origin background-clip background-size 颜色 color opacity 字体 font font-style font-variant font-weight font-size font-family font-stretch font-size-adjust 文本 text-transform white-space tab-size word-break word-wrap overflow-wrap text-align text-align-last text-justify word-spacing letter-spacing text-indent vertical-align line-height text-size-adjust 文本装饰 text-decoration text-decoration-line text-decoration-color text-decoration-style text-decoration-skip text-underline-position text-shadow 书写模式 direction unicode-bidi writing-mode 列表 list-style list-style-image list-style-position list-style-type 表格 table-layout border-collapse border-spacing caption-side empty-cells 内容 content counter-increment counter-reset quotes 用户界面 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 多列 columns column-width column-count column-gap column-rule column-rule-width column-rule-style column-rule-color column-span column-fill column-break-before column-break-after column-break-inside 伸缩盒（旧） box-orient box-pack box-align box-flex box-flex-group box-ordinal-group box-direction box-lines 伸缩盒(新) flex flex-grow flex-shrink flex-basis flex-flow flex-direction flex-wrap align-content align-items align-self justify-content order 变换 transform transform-origin transform-style perspective perspective-origin backface-visibility 过渡 transition transition-property transition-duration transition-timing-function transition-delay 动画 animation animation-name animation-duration animation-timing-function animation-delay animation-iteration-count animation-direction animation-play-state animation-fill-mode 打印 page page-break-before page-break-after page-break-inside 媒体查询 width height device-width device-height orientation aspect-ratio device-aspect-ratio color color-index monochrome resolution scan grid 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 -webkit-text-fill-color -webkit-text-stroke -webkit-text-stroke-width -webkit-text-stroke-color -webkit-box-reflect -webkit-tap-highlight-color -webkit-user-drag -webkit-overflow-scrolling 选择符 元素选择符 通配选择符(*) 类型选择符(E) ID选择符(E#id) 类选择符(E.class) 关系选择符 包含选择符(E F) 子选择符(E>F) 相邻选择符(E+F) 兄弟选择符(E~F) 属性选择符 E[att] E[att="val"] E[att~="val"] E[att^="val"] E[att$="val"] E[att*="val"] E[att|="val"] 伪类选择符 E:link E:visited E:hover E:active E:focus E:lang(fr) E:not(s) E:root E:first-child E:last-child E:only-child E:nth-child(n) E:nth-last-child(n) E:first-of-type E:last-of-type E:only-of-type E:nth-of-type(n) E:nth-last-of-type(n) E:empty E:checked E:enabled E:disabled E:target @page:first @page:left @page:right 伪对象选择符 E:first-letter/E::first-letter E:first-line/E::first-line E:before/E::before E:after/E::after E::placeholder E::selection 语法与规则 !important /*comment*/ @import @charset @media @font-face @page @keyframes @supports 取值与单位 长度 <length> em ex ch rem vw vh vmax vmin cm mm q in pt pc px 角度 <angle> deg grad rad turn 时间 <time> s ms 频率 <frequency> Hz kHz 布局 <fraction> <grid> fr gr 分辨率 <resolution> dpi dpcm dppx 颜色 <color> Color Name HEX RGB RGBA HSL HSLA transparent currentColor 文本 inherit initial unset <string> <url> <identifier> 函数 calc() toggle() 生成内容 counter() counters() attr() 图像 <image> image() image-set() <gradient> linear-gradient() radial-gradient() repeating-linear-gradient() repeating-radial-gradient() 数字 <number> <integer> <percentage> 附录 颜色关键字 媒体类型 CSS Hack 条件Hack 属性级Hack 选择符级Hack 问题和经验 Bugs和解决方案 技巧和经验 其它经验