.checkcode
        {
            background: url(/Image/code_bg.jpg);
            font-family: Arial;
            font-style: italic;
            color: blue;
            font-size: 24px;
            border: 0;
            padding: 2px 3px;
            letter-spacing: 3px;
            font-weight: bolder;
            float: left;
            cursor: pointer;
            width: 80px;
            height: 30px;
            line-height: 30px;
            text-align: center;
            vertical-align: middle;
        }