.site-header,
.header-wrapper,
.penci-container,
.container,
.wrapper,
.vc_row,
.BANNER-CLASS {

    box-sizing: border-box !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

/* Make sure the banner image or ad itself is also full width */
.BANNER-CLASS img,
.BANNER-CLASS iframe {
    width: 100% !important;
    max-width: 100vw !important;
    display: block;
    margin: 0 auto;
}