<!doctype html><html> <head> <meta charset="gb2312" /> <title></title> <style> .i1 { font-size:21px; } .i2 { font-size:121px; } .i1.on { color:red; } .i2.on { color:blue; } </style> </head> <body> <span class="i1 on">我的颜色 有问题？</span> <span class="i2">我是垫背的</span> </body></html> 在ff中 是红色，没问题，这就是向要的效果，
但是 在ie6中 却是蓝色，求解，不改变结构，有办法解决吗？
回复讨论(解决方案)
.i2.on { color:blue; }
都没有这个class名啊
直接.i2就行了啊
直接.i2就行了啊
你没明白我的意思
<style> .i1 { font-size:21px; } .i2 { font-size:121px; } .on { color:red; } .on { color:blue; }</style> 写成这样
<!doctype html><html> <head> <meta charset="gb2312" /> <title></title> <style> .i1 { font-size:21px; } .i2 { font-size:121px; } .i1.on { color:red; } .i2.on { color:blue; } </style> </head> <body> <span class="i1 on">我的颜色 有问题？</span> <span class="i2 on">我是垫背的</span> </body></html>这样 意思 清楚点。。ff下 是对的 一个红 一个蓝可是 ie6下两个都是蓝。。高手支招，不改变结构，，怎么解决，，，ie6不支持 .i1.on { color:red; } 这样的写法？ 刚试了下，ie7、8 都和 ff 一样
唯独 ie6 不认识 .i1.on { 这样连续写的类选择 }
<!doctype html><html> <head> <meta charset="gb2312" /> <title></title> <style> .i1 { font-size:21px; } .i2 { font-size:121px; } .i1 .on { color:red; } .i2 .on { color:blue; } </style> </head> <body> <span class="i1"><span class="on">我的颜色 有问题？</span></span> <span class="i2"><span class="on">我是垫背的</span></span> </body></html> 话说，你指望用IE6去实现HTML5吗？ “nbsp;html>”
楼主写的CSS跟HTML的使用，根本是混淆的。多看看CSS吧。
LZ没完全理解 css定义
参考 7楼正解
selector1,selector2 同时设置符合两种选择器的元素
selector1 selector2 设置符合selector1的元素的子元素中符合selector2的元素
楼主写的CSS跟HTML的使用，根本是混淆的。多看看CSS吧。
大侠，请你指出哪里混淆了？
.i1.on { color:red; }
.i2.on { color:blue; }
难道这不是 多类选择器么？
除了ie6，其他浏览器均支持。
selector1,selector2 同时设置符合两种选择器的元素
selector1 selector2 设置符合selector1的元素的子元素中符合selector2的元素
这个我明白，
比如
div.test
这个是指
但是 上面的例子是 .a.b 这样的样式 ，ie6不支持这样的多类选择，其他浏览器均可以。
大家最好试试，不要光看，以为我是笔误把 .i1 .on 写成了 .i1.on 这里多个空格少个空格，差了远了去了。
nbsp;html>
我的颜色 有问题？
我是垫背的
这么写就可以 不能2个class连续 否则无解
nbsp;html>
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