.full-width-img img {
    width: 100% !important;
    height: auto !important;
}

/* Target the specific WPBakery classes in your HTML */
.wpb_single_image.wpb_content_element,
.wpb_single_image .wpb_wrapper,
.wpb_single_image .vc_single_image-wrapper,
.wpb_single_image .vc_single_image-img {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
}