body {
  font-family: 'Times New Roman', Times, serif;
  margin: 20px;
  background: #ffffff;
}

h1 {
  text-align: center;
}

svg {
  display: block;
  margin: 0 auto;
  background: white;
}

.bar {
  fill: #cc5c00;
  cursor: pointer;
  transition: fill 0.2s;
}

.bar:hover {
  fill: #613500;
}

.tooltip {
  position: absolute;
  background: #363636;
  color: #efdcdc;
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}