IE6下兼容性常见的几个问题与解决方法

.box{width:400px;}
.left{width:200px;height:210px;background:red;float:left}
.right{width:200px;float:right;overflow:hidden;}
.div{width:180px;height:180px;background:blue;padding:25px;}

<div class="box">
 <div class="left"></div>
 <div class="right">
  <div class="div"></div>
 </div>
</div>

.box{width:400px;}
.left{background:red;float:left;}
.right{background:blue;float:right;}
h3{height:30px;float:left;}

 <div class="box">
   <div class="left">
      <h3>左侧</h3>
   </div>
   <div class="right">
      <h3>右侧</h3>
   </div>
</div>

.box{height:2px;background:red;overflow:hidden}
<div class="box"></div>

.box{width:100px;height:100px;border:1px dotted red;margin:100px auto;}
        
<div class="box"></div>

.box{background:red;border:1px solid red;zoom:1;
/padding:1px;