#resImage_404 {
    display:block;
    overflow:hidden;
    background-image:url('https://www.kennelclubcharitabletrust.org/assets/images/7/fundraise-with-us-e27f5894.jpg');
    background-repeat:no-repeat;
    background-position:center center;
        width:100%;
    background-size: cover;
        height:300px;
}
@media screen and (min-width:700px){
    #resImage_404 {
        background-image:url('https://www.kennelclubcharitabletrust.org/assets/images/2/fundraise-with-us-f9ceea27.jpg');
                height:440px;
    }
}
@media screen and (min-width:980px){
    #resImage_404 {
        background-image:url('https://www.kennelclubcharitabletrust.org/assets/images/6/fundraise-with-us-60e30678.jpg');
                height:440px;
    }
}
@media screen and (min-width:1400px){
    #resImage_404 {
        background-image:url('https://www.kennelclubcharitabletrust.org/assets/images/6/fundraise-with-us-60e30678.jpg');
                height:440px;
    }
}