1: *{
    margin:0;padding:0;list-style-type:none;}

2: a,img{
    border:0;}

3: body{
    font:12px/180% Arial, Helvetica, sans-serif, "新宋体";}

4:

5: /* demo */

6: .demo{
    width:800px;margin:0 auto;}

7: .demo div{
    margin:40px 0 0 0;}

1: 
     

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24:        

25:    

26: /div>