#resImage_284 {
    display:block;
    overflow:hidden;
    background-image:url('https://perform.campden.school.firthdesign.co.uk/assets/images/2/video-cover-52150ac1.jpg');
    background-repeat:no-repeat;
    background-position:center center;
        width:100%;
    background-size: cover;
        height:425px;
}
@media screen and (min-width:700px){
    #resImage_284 {
        background-image:url('https://perform.campden.school.firthdesign.co.uk/assets/images/d/video-cover-66c4d20e.jpg');
                height:425px;
    }
}
@media screen and (min-width:980px){
    #resImage_284 {
        background-image:url('https://perform.campden.school.firthdesign.co.uk/assets/images/d/video-cover-42d20eec.jpg');
                height:425px;
    }
}
@media screen and (min-width:1400px){
    #resImage_284 {
        background-image:url('https://perform.campden.school.firthdesign.co.uk/assets/images/9/video-cover-c53b59aa.jpg');
                height:425px;
    }
}