css的使用（1）

*{
                margin: 0 auto;
                padding: 0;
            }
            #navgite{
                 906px;
                height: 100px;
                border: 3px solid gray;
            }
            #navgite li{
                float: left;
                margin-left: 50px;
                border-right: 1px solid darkgray;
            }
            ul{
                list-style: none;
                margin-top: 40px;
            }
            a:link{
                color: blueviolet;
                text-decoration: none;
            }
            a:hover{
                color: orangered;
            }
            a:active{
                color: blue;
                
            }
            a:visited{
                color: red;
            }
            #one{
                background-color: red;
                 300px;
                hegight: 300px;
            }
            #one:hover{
                background-color:darkblue;
                cursor: pointer;  /*鼠标变小手*/
            }