/* Banner as the conference header */
.confTitleBox {
  background: url("https://indico.ict.inaf.it/event/3688/images/1849-banner_final_v5.jpg") center / cover no-repeat;
  aspect-ratio: 2000 / 496;
  height: auto;
  min-height: 0;
  padding: 0;
  border: none;
}

/* Remove Indico's own title, logo and dates so they take no space */
.confTitleBox > * {
  display: none !important;
}

/* Remove the date / time zone strip below the banner (already in the banner) */
.confSubTitleBox {
  display: none !important;
}