.collage-header {
  display: block;
  width: min(620px, 100%);
  margin: 0 auto 20px;
}

.collage-header img {
  display: block;
  width: 100%;
  height: auto;
}

.collage-header:focus-visible {
  outline: 2px dashed #3a2210;
  outline-offset: 4px;
}

@media print {
  .collage-header { display: none; }
}