.just-an-admin-button {
  position: fixed;
  bottom: 130px;
  left: 30px;
  z-index: 999999;

  width: 30px;
  height: 30px;

  background: url("admin.png") no-repeat 0 0 / cover;

  transition:
    opacity 0.2s ease-in-out,
    transform 0.15s ease-in-out;
}

.just-an-admin-button:hover {
  opacity: 0.8;
  transform: scale(1.1);
}

/* Accessible text (visually hidden) */
.just-an-admin-button span {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;

  clip-path: inset(50%);
  clip: rect(0 0 0 0);
}