#resImage_818 {
    display:block;
    overflow:hidden;
    background-image:url('https://www.sjhallplant.com/assets/images/e/price-guarantee-f131580e.jpg');
    background-repeat:no-repeat;
    background-position:center center;
        width:100%;
    background-size: cover;
        height:550px;
}
@media screen and (min-width:700px){
    #resImage_818 {
        background-image:url('https://www.sjhallplant.com/assets/images/7/price-guarantee-68b6d22a.jpg');
                height:600px;
    }
}
@media screen and (min-width:980px){
    #resImage_818 {
        background-image:url('https://www.sjhallplant.com/assets/images/1/price-guarantee-1fcaa6d8.jpg');
                height:625px;
    }
}
@media screen and (min-width:1400px){
    #resImage_818 {
        background-image:url('https://www.sjhallplant.com/assets/images/8/price-guarantee-19792380.jpg');
                height:625px;
    }
}