#resImage_2446 {
    display:block;
    overflow:hidden;
    background-image:url('https://www.cntech.co.uk/assets/images/k/education-banner-1dzyvh1m3ar6bnj.jpg');
    background-repeat:no-repeat;
    background-position:center center;
    width:100%;
    background-size: cover;
    height:530px;
}
@media screen and (min-width:700px){
    #resImage_2446 {
        background-image:url('https://www.cntech.co.uk/assets/images/d/education-banner-v2h77cca2ft7gqz.jpg');
        height:530px;
    }
}
@media screen and (min-width:980px){
    #resImage_2446 {
        background-image:url('https://www.cntech.co.uk/assets/images/1/education-banner-wkx898ypv7v74s8.jpg');
        height:530px;
    }
}
@media screen and (min-width:1400px){
    #resImage_2446 {
        background-image:url('https://www.cntech.co.uk/assets/images/1/education-banner-wkx898ypv7v74s8.jpg');
        height:530px;
    }
}