/* Additional centered background only. The selected animated Duett layout,
   photographs, colours, service columns and existing small animations remain. */
.theme-duett{isolation:isolate}
#studio-background{
  position:fixed;
  inset:var(--header) 0 0;
  z-index:0;
  pointer-events:none;
  user-select:none;
  opacity:0;
  overflow:hidden;
  mask-image:linear-gradient(180deg,transparent 0%,#000 12%,#000 88%,transparent 100%);
}
#studio-background canvas{display:block;width:100%;height:100%}
.theme-duett #inhalt{position:relative;z-index:1}
.theme-duett .duett-services h2,
.theme-duett .duett-services p,
.theme-duett .duett-services li{ text-shadow:0 1px 7px #10131580 }