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簡介 更新歷史 關(guān)于樣式表 屬性 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 外補(bǔ)白 margin margin-top margin-right margin-bottom margin-left 內(nèi)補(bǔ)白 padding padding-top padding-right padding-bottom padding-left 邊框 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 顏色 color opacity 字體 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 文本裝飾 text-decoration text-decoration-line text-decoration-color text-decoration-style text-decoration-skip text-underline-position text-shadow 書寫模式 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 內(nèi)容 content counter-increment counter-reset quotes 用戶界面 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 伸縮盒（舊） box-orient box-pack box-align box-flex box-flex-group box-ordinal-group box-direction box-lines 伸縮盒(新) flex flex-grow flex-shrink flex-basis flex-flow flex-direction flex-wrap align-content align-items align-self justify-content order 變換 transform transform-origin transform-style perspective perspective-origin backface-visibility 過渡 transition transition-property transition-duration transition-timing-function transition-delay 動(dòng)畫 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 媒體查詢 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 選擇符 元素選擇符 通配選擇符(*) 類型選擇符(E) ID選擇符(E#id) 類選擇符(E.class) 關(guān)系選擇符 包含選擇符(E F) 子選擇符(E>F) 相鄰選擇符(E+F) 兄弟選擇符(E~F) 屬性選擇符 E[att] E[att="val"] E[att~="val"] E[att^="val"] E[att$="val"] E[att*="val"] E[att|="val"] 偽類選擇符 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 偽對象選擇符 E:first-letter/E::first-letter E:first-line/E::first-line E:before/E::before E:after/E::after E::placeholder E::selection 語法與規(guī)則 !important /*comment*/ @import @charset @media @font-face @page @keyframes @supports 取值與單位 長度 <length> em ex ch rem vw vh vmax vmin cm mm q in pt pc px 角度 <angle> deg grad rad turn 時(shí)間 <time> s ms 頻率 <frequency> Hz kHz 布局 <fraction> <grid> fr gr 分辨率 <resolution> dpi dpcm dppx 顏色 <color> Color Name HEX RGB RGBA HSL HSLA transparent currentColor 文本 inherit initial unset <string> <url> <identifier> 函數(shù) calc() toggle() 生成內(nèi)容 counter() counters() attr() 圖像 <image> image() image-set() <gradient> linear-gradient() radial-gradient() repeating-linear-gradient() repeating-radial-gradient() 數(shù)字 <number> <integer> <percentage> 附錄 顏色關(guān)鍵字 媒體類型 CSS Hack 條件Hack 屬性級Hack 選擇符級Hack 問題和經(jīng)驗(yàn) Bugs和解決方案 技巧和經(jīng)驗(yàn) 其它經(jīng)驗(yàn)
characters

語法：

animation-duration：<time>[,<time>]*

默認(rèn)值：0s

適用于：所有元素，包含偽對象:after和:before

繼承性：無

動(dòng)畫性：否

計(jì)算值：指定值

媒體：視覺

取值：

  • <time>：指定對象動(dòng)畫的持續(xù)時(shí)間

說明：

檢索或設(shè)置對象動(dòng)畫的持續(xù)時(shí)間

  • 如果提供多個(gè)屬性值，以逗號進(jìn)行分隔。

  • 對應(yīng)的腳本特性為animationDuration。

兼容性：

ValuesIEFirefoxChromeSafariOperaiOS SafariAndroid BrowserAndroid Chrome
Basic Support6.0-9.02.0-4.04.0-42.0-webkit-6.0-8.0-webkit-15.0-29.0-webkit-6.0-8.4-webkit-2.1-3.0-webkit- #118.0-42.0-webkit-
10.0+5.0-15.0-moz-43.0+9.0+30.0+9.0+4.0-40.0-webkit-
16.0+

  1. 在一些場景中會(huì)有錯(cuò)誤行為

  2. 部分瀏覽器不支持偽元素動(dòng)畫，或者支持得不夠好，盡可能不要利用偽元素來做動(dòng)畫

示例：

實(shí)例

<!DOCTYPE html>
<html lang="zh-cmn-Hans">
<head>
<meta charset="utf-8" />
<title>animation-duration_CSS參考手冊_web前端開發(fā)參考手冊系列</title>
<meta name="author" content="Joy Du(飄零霧雨), dooyoe@gmail.com, www.doyoe.com" />
<style>
html{height:100%;
    background:-moz-linear-gradient(top,#fff,#000);
    background:-webkit-linear-gradient(top,#fff,#000);
    background:linear-gradient(to bottom,#fff,#000);
}
h1{font-size:16px;}
div{position:absolute;top:50%;left:50%;width:500px;height:80px;margin:-40px 0 0 -250px;color:#fff;font:bold 50px/1.5 Georgia,arial,simsun,serif;text-shadow:1px 1px 0 rgba(0,0,0,.8),2px 2px 3px rgba(255,255,255,.3);
    -moz-animation:animations 2s ease-in-out forwards;
    -webkit-animation:animations 2s ease-in-out forwards;
    animation:animations 2s ease-in-out forwards;
}
@-moz-keyframes animations{
    0%{-moz-transform:translate(0,-150px);}
    30%{-moz-transform:translate(0,-150px);}
    40%{-moz-transform:translate(0,0);}
    42%{-moz-transform:scale(1.1,.6) skew(5deg,5deg);}
    48%{-moz-transform:scale(1) skew(0,0);}
    54%{-moz-transform:scale(1.05,.8) skew(4deg,4deg);}
    60%{-moz-transform:scale(1) skew(0,0);}
    64%{-moz-transform:skew(3deg,3deg);}
    68%{-moz-transform:skew(0,0);}
    75%{-moz-transform:skew(2deg,2deg);}
    83%{-moz-transform:skew(0,0);}
    92%{-moz-transform:skew(1deg,1deg);}
    100%{-moz-transform:skew(0,0);}
}
@-webkit-keyframes animations{
    0%{-webkit-transform:translate(0,-150px);}
    30%{-webkit-transform:translate(0,-150px);}
    40%{-webkit-transform:translate(0,0);}
    42%{-webkit-transform:scale(1.1,.6) skew(5deg,5deg);}
    48%{-webkit-transform:scale(1) skew(0,0);}
    54%{-webkit-transform:scale(1.05,.8) skew(4deg,4deg);}
    60%{-webkit-transform:scale(1) skew(0,0);}
    64%{-webkit-transform:skew(3deg,3deg);}
    68%{-webkit-transform:skew(0,0);}
    75%{-webkit-transform:skew(2deg,2deg);}
    83%{-webkit-transform:skew(0,0);}
    92%{-webkit-transform:skew(1deg,1deg);}
    100%{-webkit-transform:skew(0,0);}
}
@keyframes animations{
    0%{transform:translate(0,-150px);}
    30%{transform:translate(0,-150px);}
    40%{transform:translate(0,0);}
    42%{transform:scale(1.1,.6) skew(5deg,5deg);}
    48%{transform:scale(1) skew(0,0);}
    54%{transform:scale(1.05,.8) skew(4deg,4deg);}
    60%{transform:scale(1) skew(0,0);}
    64%{transform:skew(3deg,3deg);}
    68%{transform:skew(0,0);}
    75%{transform:skew(2deg,2deg);}
    83%{transform:skew(0,0);}
    92%{transform:skew(1deg,1deg);}
    100%{transform:skew(0,0);}
}
</style>
</head>
<body>
<h1>文字落下2s內(nèi)趨于平穩(wěn)：</h1>
<div>CSS3 Animations</div>
</body>
</html>

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