body{width:400px;height:300px;margin:100px  auto;}
        .zi{color:red;font-weight: bold;}
        .good{color:red;}
        a{text-decoration:none;}
        a:hover{background-color:yellow;}
        .bottom{text-align: right;}
        .a{width:17px;height:17px;}
        .d{width:17px;height:17px;float:right;}
        .e{width:17px;height:17px;}
       .g{width:17px;height:17px;float:right;}