.tip {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 90;
  max-width: 260px;
  padding: 4px 7px 5px;
  background: var(--tip-fill);
  border: 1px solid var(--tip-edge);
  box-shadow: 0 2px 5px rgba(0, 3, 93, .45);
  color: var(--tip-ink);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.3;
  text-align: left;
  text-shadow: none;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity .1s linear, visibility 0s linear .1s;
}

.tip[data-show] {
  opacity: 1;
  visibility: visible;
  transition: opacity .1s linear;
}

.tip__sub { display: block; }