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        <title>HTML5知典 26:86:48</title>
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    <image rdf:about="http://zhidian.wuute.com/html5dev/lib/tpl/bootstrap3_1/images/favicon.ico">
        <title>HTML5知典</title>
        <link>http://zhidian.wuute.com/html5dev/</link>
        <url>http://zhidian.wuute.com/html5dev/lib/tpl/bootstrap3_1/images/favicon.ico</url>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:31+09:00</dc:date>
        <title>border</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/border?rev=1492848031&amp;do=diff</link>
        <description>border

border 属性是规定各种单独的边界属性的简写属性，可用于设置一个或多个以下属性的值：border-width，border-style，border-color。

语法
border: border-width
border: border-style
border: border-color
border: inherit
值
值描述border-width 此关键词表示边界属性的宽度。</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:31+09:00</dc:date>
        <title>border-bottom</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderbottom?rev=1492848031&amp;do=diff</link>
        <description>border-bottom

border-bottom 该属性是用来将下边框的所有属性：border-bottom-color, border-bottom-style 与 border-bottom-width 设置到一个声明中。

语法
border-bottom: 20px;
border-bottom: 4px dashed;
border-bottom: top dashed red;
值
值描述&lt;br-width&gt; 此关键词表示边框的宽度。详见</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:31+09:00</dc:date>
        <title>border-bottom-color</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderbottomcolor?rev=1492848031&amp;do=diff</link>
        <description>border-bottom-color

border-bottom-color该属性是用于规定一个元素底部边框的颜色。

语法
border-bottom-color: red;
border-bottom-color: #342343;
值
值描述color 此关键词表示描绘底边的颜色CSS值。 inherit 此关键词代表父元素底边颜色的关键字（可能和</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:31+09:00</dc:date>
        <title>border-bottom-left-radius</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderbottomleftradius?rev=1492848031&amp;do=diff</link>
        <description>border-bottom-left-radius

border-bottom-left-radius 该属性用于规定元素的左下角边框的形状。

语法
border-bottom-left-radius: 2px;
border-bottom-left-radius: 3em 2em;
border-bottom-left-radius: inherit;
值
值描述&lt;length-percentage&gt;</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:31+09:00</dc:date>
        <title>border-bottom-right-radius</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderbottomrightradius?rev=1492848031&amp;do=diff</link>
        <description>border-bottom-right-radius

border-bottom-right-radius 该属性用于规定元素的右下角边框的形状。

语法
border-bottom-right-radius: 2px;
border-bottom-right-radius: 3em 2em;
border-bottom-right-radius: inherit
值
值描述&lt;length-percentage&gt;</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:31+09:00</dc:date>
        <title>border-bottom-style</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderbottomstyle?rev=1492848031&amp;do=diff</link>
        <description>border-bottom-style

border-bottom-style该属性是规定元素下边框的样式。

语法
border-bottom-style: hidden;
border-bottom-style: none;
border-bottom-style: dotted;
border-bottom-style: dashed;
border-bottom-style: double;
border-bottom-style: solid;
border-bottom-style: ridge;
border-bottom-style: inset;
border-bottom-style: groove;
border-bottom-style: outset;
border-bottom-style: inherit;</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:31+09:00</dc:date>
        <title>border-bottom-width</title>
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        <description>border-bottom-width

border-bottom-width 该属性是一个用于规定一个元素下边框的宽度。

语法
border-bottom-width: 20em;
border-bottom-width: 3px;
border-bottom-width: thin;
border-bottom-width: medium;
border-bottom-width: inherit;</description>
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    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordercolor?rev=1492848031&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:31+09:00</dc:date>
        <title>border-color</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordercolor?rev=1492848031&amp;do=diff</link>
        <description>border-color

border-color该属性是一个用于规定元素四个边框颜色的快捷属性：border-top-color，border-right-color，border-bottom-color，border-left-color。

语法
border-color: red
border-color: red blue
border-color: green yellow blue
border-color: orange green blue red
border-color: inherit
值</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-image</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderimage?rev=1492848032&amp;do=diff</link>
        <description>border-image

border-image 该属性用作给元素的边框添加背景图片。使用该属性时，会替换掉 border-style 属性所设置的边框样式。

语法
border-image: url(&quot;hudao.jpg&quot;) 20 20 repeat;
值
值描述image-source  此关键词表示图片的路径</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-image-outset</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderimageoutset?rev=1492848032&amp;do=diff</link>
        <description>border-image-outset

border-image-outset属性规定边框图像可超出边框盒的大小。

语法
border-image-outset: 20%;
border-image-outset: 10% 20%;
border-image-outset: 20px 20% 12px;
border-image-outset: 1px 2px 3px 4px;
border-image-outset: inherit</description>
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    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderimagerepeat?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-image-repeat</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderimagerepeat?rev=1492848032&amp;do=diff</link>
        <description>border-image-repeat

border-image-repeat 该属性用于规定图片如何填充边框。单个值，设置所有的边框；两个值，分别设置水平和垂直的边距。

语法
border-image-repeat: type;
border-image-repeat: horizontal vertical;
border-image-repeat: inherit;</description>
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    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderimageslice?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-image-slice</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderimageslice?rev=1492848032&amp;do=diff</link>
        <description>border-image-slice

该属性规定图像边框向内偏移。

语法
border-image-slice: 50%;
border-image-slice: 20% 10%;
border-image-slice: 20 10% 20;
border-image-slice: 12 23 21 32;
border-image-slice: 23% fill 12 12;
border-image-slice: initial;
border-image-slice: unset;
border-image-slice: inherit;</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-image-source</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderimagesource?rev=1492848032&amp;do=diff</link>
        <description>border-image-source

border-image-source 该属性规定&lt;image&gt;代替边框的样式。若此属性设置为none，使用边框样式代替。

语法
border-image-source: url(images.jpg);
border-image-source: none;
border-image-source: inherit;
border-image-source: unset;
border-image-source: linear-gradient(to top, red, yellow);</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-image-width</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderimagewidth?rev=1492848032&amp;do=diff</link>
        <description>border-image-width

border-image-width 该属性用作规定图像边框宽度。若 border-image-width 大于已指定的 border-width 则将向内部扩展。

语法
border-image-width: vertical horizontal;
border-image-width: top horizontal bottom;
border-image-width: top right bottom left;
border-image-width: all;
border-image-width: inherit;</description>
    </item>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-left</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderleft?rev=1492848032&amp;do=diff</link>
        <description>border-left

border-left 该属性规定元素的左边框属性。

语法
border-left: 3px;
border-left: 4px dashed;
border-left: top solid red;
值
值描述&lt;br-width&gt; 此关键词表示边框的宽度。详见 border-left-width &lt;br-style&gt; 此关键词表示边框的样式。详见</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderleftcolor?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-left-color</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderleftcolor?rev=1492848032&amp;do=diff</link>
        <description>border-left-color

border-left-color 该属性是一个用于规定元素的左边框的颜色。

语法
border-left-color: green;
border-left-color: rgb(0, 0, 0);
border-left-color: transparent;
border-left-color: currentColor;
border-left-color: #322;
border-left-color: hsla(20%, 23%, 23%, 43%);
border-left-color: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderleftstyle?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-left-style</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderleftstyle?rev=1492848032&amp;do=diff</link>
        <description>border-left-style

border-left-style 该属性是一个用于设置各种单独的边界属性的简写属性，可用于设置一个或多个以下属性的值：border-width，border-style，border-color。

语法
border-left-style: none;
border-left-style: dotted;
border-left-style: hidden;
border-left-style: dashed;
border-left-style: solid;
border-left-style: double;
border-left-style: groove;
border-left-style: ridge;
border-left-style: inset;
border-left-style: outset;
border-left-style: inherit;…</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-radius</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderradius?rev=1492848032&amp;do=diff</link>
        <description>border-radius

border-radius 该属性用作规定边框圆角。一个半径确定一个圆形；当使用两个半径时确定一个椭圆，该椭圆同边框的交集形成圆角效果。

语法
border-radius: radius             
border-radius: top-left-and-bottom-right top-right-and-bottom-left 
border-radius: top-left top-right-and-bottom-left bottom-right 
border-radius: top-left top-right bottom-right bottom-left 
border-radius: (first radius values) / radius             
border-radius: (first radius values) / top-left-and-bottom-right top-right-and-bottom-left 
border-radius: (first radius value…</description>
    </item>
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        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-right</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderright?rev=1492848032&amp;do=diff</link>
        <description>border-right

border-right 该属性是元素的右边框属性。

语法
border-right: 4px;
border-right: 4px dashed;
border-right: top dashed green;
值
值描述&lt;br-width&gt; 此关键词表示边框的宽度。   &lt;br-style&gt; 此关键词表示边框的样式。</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderrightcolor?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-right-color</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderrightcolor?rev=1492848032&amp;do=diff</link>
        <description>border-right-color

border-right-color 该属性是用于规定元素的右边框的颜色。

语法
border-right-color: green;
border-right-color: rgb(233,232,12);
border-right-color: hsla(12%, 23%, 45%, 0.78);
border-right-color: #333;
border-right-color: currentColor;
border-right-color: transparent;
border-right-color: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderrightstyle?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-right-style</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderrightstyle?rev=1492848032&amp;do=diff</link>
        <description>border-right-style

border-right-style 该属性是用于规定元素右边框的样式。

语法
border-right-style: hidden;
border-right-style: dotted;
border-right-style: solid;
border-right-style: dashed;
border-right-style: double;
border-right-style: ridge;
border-right-style: groove;
border-right-style: inset;
border-right-style: outset;
border-right-style: none;
border-right-style: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderrightwidth?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-right-width</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderrightwidth?rev=1492848032&amp;do=diff</link>
        <description>border-right-width

border-right-width 该属性是用于规定元素右边框的宽度。

语法
border-right-width: 3em;
border-right-width: 4vmax;
border-right-width: 3px;
border-right-width: medium;
border-right-width: thick;
border-right-width: thin;
border-right-width: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderstyle?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-style</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderstyle?rev=1492848032&amp;do=diff</link>
        <description>border-style

border-style 该属性是用作规定元素所有边框的样式。

语法
border-style: dashed
border-style: dotted dashed
border-style: hidden solid dashed
border-style: none solid dashed none
border-style: inherit
border-style: initial
border-style: unset</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertop?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-top</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertop?rev=1492848032&amp;do=diff</link>
        <description>border-top

border-top 该属性表示元素的上边框属性。

语法
border-top: 4px;
border-top: 4px dashed;
border-top: medium solid red;
值
值描述&lt;br-width&gt; 此关键词表示边框的宽度。   &lt;br-style&gt; 此关键词表示边框的样式。</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertopcolor?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-top-color</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertopcolor?rev=1492848032&amp;do=diff</link>
        <description>border-top-color

该属性是用于设置元素的上边框的颜色。

语法
border-top-color: green;
border-top-color: rgb(0, 3, 23);
border-top-color: hsla(20%, 12%, 25%, 0.54);
border-top-color: #232;
border-top-color: currentColor;
border-top-color: transparent;
border-top-color: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertopleftradius?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-top-left-radius</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertopleftradius?rev=1492848032&amp;do=diff</link>
        <description>border-top-left-radius

border-top-left-radius 该属性是用来规定元素左上角的圆角效果。圆角可以是圆或者椭圆的一部分。若其中有一个值为0，则无圆角效果。

语法
border-top-left-radius: 2px;
border-top-left-radius: 0.2em 2em;
border-top-left-radius: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertoprightradius?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-top-right-radius</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertoprightradius?rev=1492848032&amp;do=diff</link>
        <description>border-top-right-radius

border-top-right-radius 该属性用于规定元素的右上角弧形。该弧形可能为一个椭圆，若一个值为0，就没有圆形。

语法
border-top-right-radius: radius;
border-top-right-radius: horizontal vertical;
border-top-right-radius: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertopstyle?rev=1492848032&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:32+09:00</dc:date>
        <title>border-top-style</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertopstyle?rev=1492848032&amp;do=diff</link>
        <description>border-top-style

border-top-style 该属性是用于规定元素的上边框的样式。

语法
border-top-style: hidden;
border-top-style: dotted;
border-top-style: solid;
border-top-style: double;
border-top-style: groove;
border-top-style: dashed;
border-top-style: ridge;
border-top-style: inset;
border-top-style: outset;
border-top-style: none;
border-top-style: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertopwidth?rev=1492848033&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:33+09:00</dc:date>
        <title>border-top-width</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/bordertopwidth?rev=1492848033&amp;do=diff</link>
        <description>border-top-width

border-top-width 该属性是用于规定元素的上边框的宽度。

语法
border-top-width: 3em;
border-top-width: 4vmax;
border-top-width: 3px;
border-top-width: medium;
border-top-width: thick;
border-top-width: thin;
border-top-width: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderwidth?rev=1492848033&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:33+09:00</dc:date>
        <title>border-width</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/borderwidth?rev=1492848033&amp;do=diff</link>
        <description>border-width

border-width 该属性是用于规定元素四条边框的宽度。

语法
border-width: 3px;
border-width: 2px 1px;
border-width: 1px 2em 2cm;
border-width: 2px 2em 02rem;
border-width: inherit;
值
值描述&lt;br-width&gt; 此关键词表示边框的宽度。</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/boxshadow?rev=1492848033&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:33+09:00</dc:date>
        <title>box-shadow</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/boxshadow?rev=1492848033&amp;do=diff</link>
        <description>box-shadow

box-shadow 该属性是用逗号分割列表来描述一个或多个阴影效果，几乎可用到任何元素。若同时在元素上设置了border-radius，阴影依然有圆角的效果。多个阴影的 z-ordering 和多个 text-shadows 规则相同。

语法</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/outline?rev=1492848033&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:33+09:00</dc:date>
        <title>outline</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/outline?rev=1492848033&amp;do=diff</link>
        <description>outline

outline 该属性是用于规定元素的轮廓属性。

语法
outline: 3px solid red;
值
值描述&lt;'outline-width'&gt; 此关键词表示轮廓属性的宽度。详见 outline-width &lt;'outline-style'&gt; 此关键词表示轮廓属性的样式。详见 outline-style &lt;'outline-color'&gt;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/outlinecolor?rev=1492848033&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:33+09:00</dc:date>
        <title>outline-color</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/outlinecolor?rev=1492848033&amp;do=diff</link>
        <description>outline-color

outline-color 该属性是用于规定元素的轮廓的颜色。

语法
outline-color: red;
outline-color: invert;
outline-color: inherit;
outline-color: initial;
outline-color: unset;
值
值描述&lt;color&gt; 此关键词表示元素轮廓的颜色。</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/outlinestyle?rev=1492848033&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:33+09:00</dc:date>
        <title>outline-style</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/outlinestyle?rev=1492848033&amp;do=diff</link>
        <description>outline-style

outline-style 该属性是用于规定元素的轮廓样式属性。

语法
outline-style: auto;
outline-style: none;
outline-style: dotted;
outline-style: dashed;
outline-style: solid;
outline-style: double;
outline-style: groove;
outline-style: ridge;
outline-style: inset;
outline-style: outset;
outline-style: initial;
outline-style: unset;
outline-style: inherit;</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/outlinewidth?rev=1492848033&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-22T17:00:33+09:00</dc:date>
        <title>outline-width</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/outlinewidth?rev=1492848033&amp;do=diff</link>
        <description>outline-width

outline-width 该属性是用于规定元素的轮廓的宽度。

语法
outline-width: thin;
outline-width: medium;
outline-width: thick;
outline-width: 4px;
outline-width: 3em;
outline-width: inherit;
值
值描述thin 此关键词通常表示是1px。</description>
    </item>
    <item rdf:about="http://zhidian.wuute.com/html5dev/doku.php/26/86/48/start?rev=1492947556&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-04-23T20:39:16+09:00</dc:date>
        <title>边框</title>
        <link>http://zhidian.wuute.com/html5dev/doku.php/26/86/48/start?rev=1492947556&amp;do=diff</link>
        <description>边框

定义

边框(Border）属性是对HTML元素的边框进行定义的CSS属性。

概述

通过边框的样式设置，给元素增加更丰富的外观

边框的设置包含以下内容:

	*  边框的类型
	*  边框的尺寸
	*  边框的前景背景</description>
    </item>
</rdf:RDF>
