在IE下不可用.
| 属性 | 描述 | 备注 |
| outline | 复合属性 设置或者检索对象外的线条轮廓,外轮廓(outline)画在边框(border)的外面,不一定是矩形 | outline:outline-color||outline-style||outline-width |
| outline-color | 设置或检索对象外的线条轮廓的颜色 | color:颜色 invert:默认值,使用背景色的反色 |
| outline-style | 设置或检索对象外的线条轮廓的样式 | none:默认值 dotted:点线外轮廓 dashed:虚线外轮廓 solid:实线外轮廓 double:双线外轮廓 groove:根据outline-color的值画3D凹槽外轮廓 ridge:根据outline-color的值画3D凸槽外轮廓 inset:根据outline-color的值画3D凹边外轮廓 outset:根据outline-color的值画3D凸边外轮廓 |
| outline-width | 设置或检索对象外的线条轮廓的宽度 | medium:默认.默认宽度 thin:小于默认宽度 thick:大于默认宽度 length:长度 |
实例:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>无标题页</title>
<style type="text/css">
span
{
border:solid 1px red;
display:block;
width:200px;
}
.span1
{
outline-style:dotted;
}
.span2
{
outline-style:dashed;
}
.span3
{
outline-style:groove;
}
.span4
{
outline-style:ridge;
}
.span5
{
outline-style:inset;
}
.span6
{
outline-style:outset;
}
</style>
</head>
<body>
<span class="span1">111111111</span><br />
<span class="span2">222222222</span><br />
<span class="span3">333333333</span><br />
<span class="span4">444444444</span><br />
<span class="span5">555555555</span><br />
<span class="span6">666666666</span>
</body>
</html>在Firefox下效果