#resImage_242 {
    display:block;
    overflow:hidden;
    background-image:url('https://perform.campden.school.firthdesign.co.uk/assets/images/c/school-benefits-f1b627f4.jpg');
    background-repeat:no-repeat;
    background-position:center center;
        width:100%;
    background-size: cover;
        height:450px;
}
@media screen and (min-width:700px){
    #resImage_242 {
        background-image:url('https://perform.campden.school.firthdesign.co.uk/assets/images/5/school-benefits-60c33d40.jpg');
                height:400px;
    }
}
@media screen and (min-width:980px){
    #resImage_242 {
        background-image:url('https://perform.campden.school.firthdesign.co.uk/assets/images/c/school-benefits-3ace710a.jpg');
                height:400px;
    }
}
@media screen and (min-width:1400px){
    #resImage_242 {
        background-image:url('https://perform.campden.school.firthdesign.co.uk/assets/images/e/school-benefits-e790396c.jpg');
                height:450px;
    }
}