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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(duì)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(jí)Hack 選擇符級(jí)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:

box-sizing:content-box | border-box

默認(rèn)值content-box

適用于:所有接受 <' width '> 和 <' height '> 的元素

繼承性:無

動(dòng)畫性:否

計(jì)算值:指定值

取值:

  • content-box:padding和border不被包含在定義的width和height之內(nèi)。對(duì)象的實(shí)際寬度等于設(shè)置的width值和border、padding之和,即 ( Element width = width + border + padding )此屬性表現(xiàn)為標(biāo)準(zhǔn)模式下的盒模型。

  • border-box:padding和border被包含在定義的width和height之內(nèi)。對(duì)象的實(shí)際寬度就等于設(shè)置的width值,即使定義有border和padding也不會(huì)改變對(duì)象的實(shí)際寬度,即 ( Element width = width )此屬性表現(xiàn)為怪異模式下的盒模型。

說明:

設(shè)置或檢索對(duì)象的盒模型組成模式。
  • 標(biāo)準(zhǔn)盒模型代碼與圖示例:

    .test1{
    	box-sizing:content-box;
    	width:200px;
    	padding:10px;
    	border:15px solid #eee;
    }

    1.png

  • 怪異盒模型代碼與圖示例:

    .test1{
    	box-sizing:border-box;
    	width:200px;
    	padding:10px;
    	border:15px solid #eee;
    }

    2.png

  • 對(duì)應(yīng)的腳本特性為boxSizing。

兼容性:

ValuesIEFirefoxChromeSafariOperaiOS SafariAndroid BrowserAndroid Chrome
Basic Support6.0-7.02.0-28.0-moz-4.0-9.0-webkit-6.0+15.0+6.0+2.1+18.0+
8.0+29.0+10.0+

示例:

實(shí)例

<!DOCTYPE html>
<html lang="zh-cmn-Hans">
<head>
<meta charset="utf-8" />
<title>box-sizing_CSS參考手冊(cè)_web前端開發(fā)參考手冊(cè)系列</title>
<meta name="author" content="Joy Du(飄零霧雨), dooyoe@gmail.com, www.doyoe.com" />
<style>
.test{width:200px;height:70px;padding:10px;border:15px solid #999;-moz-box-sizing:content-box;-ms-box-sizing:content-box;box-sizing:content-box;background:#eee;}
.test2{width:200px;height:70px;padding:10px;border:15px solid #999;-moz-box-sizing:border-box;-ms-box-sizing:border-box;box-sizing:border-box;background:#eee;margin-top:20px;}
</style>
</head>
<body>
<div class="test">content-box</div>
<div class="test2">border-box</div>
</body>
</html>
			

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