导航水平居中.txt

 .div1 {
        text-align: center;
        background: #ffffff;
        padding: 20px;
        display: block;
    }
    a {
     text-decoration:none;
     color:#000000;
     
    }
    ul {
        display: block;
        text-align: center;
        margin: 0;
        padding: 0;
 
    }
    li {
    list-style:none;
    display:inline-block;
    margin-right:21px;
    }
    li:last-child{
        margin:0;
    }
    .div2 {
        float:left;
        text-align:center;