css如何定义标签字体
例如：139site 搜索框定义：
.s_btn_return {
background:url(../image/sprite.png) no-repeat;
cursor: pointer;
height: 53px;
width: 91px;
float:left; line-height:53px; text-align:center; font-size:22px; font-family: "微软雅黑","黑体","宋体";
}
注意这段代码：font-family: "微软雅黑","黑体","宋体";
就是css定义字体，从左到右如果客户端有 "微软雅黑"将调用 "微软雅黑"这个字体，没有，将调用“黑体”。如果没有“黑体”只能调用“宋体”了
css2.0参考手册
华文细黑：STHeiti Light [STXihei]
华文黑体：STHeiti
华文楷体：STKaiti
华文宋体：STSong
华文仿宋：STFangsong
俪黑 Pro：LiHei Pro Medium
俪宋 Pro：LiSong Pro Light
标楷体：BiauKai
苹果俪中黑：Apple LiGothic Medium
苹果俪细宋：Apple LiSung Light
Windows的一些：
新细明体：PMingLiU
细明体：MingLiU
标楷体：DFKai-SB
黑体：SimHei
宋体：SimSun
新宋体：NSimSun
仿宋：FangSong
楷体：KaiTi
仿宋_GB2312：FangSong_GB2312
楷体_GB2312：KaiTi_GB2312
微软正黑体：Microsoft JhengHei
微软雅黑体：Microsoft YaHei
装Office会生出来的一些：
隶书：LiSu
幼圆：YouYuan
华文细黑：STXihei
华文楷体：STKaiti
华文宋体：STSong
华文中宋：STZhongsong
华文仿宋：STFangsong
方正舒体：FZShuTi
方正姚体：FZYaoti
华文彩云：STCaiyun
华文琥珀：STHupo
华文隶书：STLiti
华文行楷：STXingkai
华文新魏：STXinwei
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