.board-callout {
  position: absolute;
  z-index: 5;
  padding: clamp(0.65rem, 1vw, 1rem);
  border: 1px solid white;
  border-radius: 0.5rem;
  background: rgb(11 44 56 / 60%);
  backdrop-filter: blur(6px);
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.board-callout p {
  margin: 0;
  line-height: 1.45;
}

.board-callout-tail {
  position: absolute;
  inset: 0;
  z-index: 6;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.board-callout-tail line {
  stroke: white;
  stroke-width: 1.5;
}

.board-callout-tail circle {
  fill: white;
}