change style info window

I want to change the style of infowindow: creat a CSS file to change.gm-style .gm-style-iw-dand.gm-style .gm-style-iw-c proprty but nothing to chnage , i wnat to change or disable max-width ,over-flow:scroll , padding-right,... like this pic : Screen Shot 1399-03-21 at 11 55 13

here and i read this link: InfoWindowOptions and write this line for change maxWidth : <InfoWindow options={{maxWidth:300}} onCloseClick={() => togelOpenCloseInfoWindos}> but nothing to change. and this is my code:


 {isOpen &&
                            <InfoWindow options={{ maxWidth: 300 }} style={{ backgroundColor: 'red' }} onCloseClick={() => togelOpenCloseInfoWindos}>
                                <Grid container style={{ paddingLeft: 8, paddingRight: 8, }} xs={12} spacing={0} >
                                    <Grid item xs={7} sm={8} zeroMinWidth>
                                        <Typography noWrap component="p">
                                            <Box fontWeight="bold">
                                                {props.MyProps.locations.NICKNAME}</Box>
                                        </Typography>
                                        {/* <p className={classes.card_title}>{car.NICKNAME}</p> */}
                                    </Grid>
                                    <Grid item xs={5}>{speed_logo(props.MyProps.locations)}</Grid>
                                    <Grid item xs={7} style={{ marginTop: -9 }}><p className={classes.card_time}>{timeToShow(props.MyProps.locations.SENTDATE)}</p></Grid>
                                    <Grid item xs={5} style={{ marginTop: -9 }}>{tempture_logo(props.MyProps.locations)}</Grid>
                                    <Grid xs={12}><Typography component='p' className={classes.card_Address}>{props.MyProps.locations.POSDESCRIPTION}</Typography></Grid> </Grid>
                            </InfoWindow>
                        }

please help me to change the style of infoWindow

tomchentw / react-google-maps

change style info window #1049