inline-block布局

    #p{
        width: 600px;
        height: 350px;
        border:1px solid red;
        
        font-size: 0px; /*1.  父级关键代码*/
        /* 兼容苹果浏览器代码    
         letter-spacing:-8PX;
        */
    }
     .s{
        width: 150px;
        height: 150px;
        border:1px solid blue;
        display:inline-block; 
        /*_zoom:1;  */
        *display:inline;   /* 2.   IE 67 兼容*/  
        /* 3. vertical-align:top;*/
    }