var obj = new WxLogin({

        self_redirect: false,

        id:"wxImage",

        appid: "wx58cf78a5cf652424",

        scope: "snsapi_login",

        redirect_uri: "http://106.15.202.31/twolmonitor/#/login",

        state: "STATE",

        style: "white",

        href: 'data:text/css;base64,LmltcG93ZXJCb3ggLnFyY29kZSB7d2lkdGg6IDIwMHB4O30KLmltcG93ZXJCb3ggLnRpdGxlIHtkaXNwbGF5OiBub25lO30KLmltcG93ZXJCb3ggLmluZm8ge3dpZHRoOiAyMDBweDt9Ci5zdGF0dXNfaWNvbiB7ZGlzcGxheTogbm9uZX0KLmltcG93ZXJCb3ggLnN0YXR1cyB7dGV4dC1hbGlnbjogY2VudGVyO30g'

      });

href中样式没起作用