gitea/web_src/css/modules/dimmer.css

/* These are the remnants of the fomantic dimmer module */

.ui.dimmer {
  position: fixed;
  display: none;
  inset: 0;
  background: var(--color-overlay-backdrop);
  opacity: 0;
  z-index: 1000;
  overflow-y: auto;
  justify-content: center;
  padding: 8px 0;
  animation-name: fadein;
  animation-duration: .2s;
  user-select: none;
}

.ui.active.dimmer {
  display: flex;
  opacity: 1;
}

.ui.dimmer > .ui.modal {
  position: static;
  margin-top: auto !important;
  margin-bottom: auto !important;
}