#google_sign_in {
    width: 191px;
    height: 46px;
    background-image: url("../images/google_signin_buttons/web/1x/btn_google_signin_dark_normal_web.png");
    padding: 0px;
    border: none;
    background-color: #fff;
}
#google_sign_in:hover {
    background-image: url("../images/google_signin_buttons/web/1x/btn_google_signin_dark_focus_web.png");

}