#resImage_273 {
    display:block;
    overflow:hidden;
    background-image:url('https://www.glendalejoinery.co.uk/assets/images/c/porches-header-3345ee16.jpg');
    background-repeat:no-repeat;
    background-position:center center;
        width:100%;
    background-size: cover;
        height:500px;
}
@media screen and (min-width:700px){
    #resImage_273 {
        background-image:url('https://www.glendalejoinery.co.uk/assets/images/2/porches-header-589c8e41.jpg');
                height:500px;
    }
}
@media screen and (min-width:980px){
    #resImage_273 {
        background-image:url('https://www.glendalejoinery.co.uk/assets/images/7/porches-header-199836d8.jpg');
                height:500px;
    }
}
@media screen and (min-width:1400px){
    #resImage_273 {
        background-image:url('https://www.glendalejoinery.co.uk/assets/images/3/porches-header-4075ed8d.jpg');
                height:500px;
    }
}