*{margin:0;padding:0}
body{background:grey;font-size:16px;font-family:arial;}
#box{margin:50px auto;width:600px;height:600px; color:red;border:2px solid red}
header{width:97%;height:100px;background:pink;margin-left:6px;padding:7px;}
.content{width:100%;height:400px;}
footer{width:96%;height:65px;background:orange;padding:10px;margin-left:4px;}
ol,ul{margin-left:20px;}

/**   layout 1    **/
#layout #left{width:47%;height:380px;background:green;float:left;margin-top:6px;padding:7px}
#layout #right{width:50%;height:400px;background:cyan;float:left;}