.flex-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.flex-row > div {
  flex: 1;
}

h1 {
  font-family: "DM Serif Display", serif;
  font-size: 3.5rem;
  letter-spacing: 0.5px;
}

body {
  font-family: "Source Sans 3", sans-serif;
  font-size: 18px;
}

.viz-placeholder {
  height: 200px;
  background-color: #f0f0f0;
  border: 2px dashed #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777;
  font-weight: 500;
}

.viz-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #fff;
  border: 1px dashed #c9c9c9;
  border-radius: 6px;
  overflow: hidden;
}

.ack {
  width: 90%;
  margin: 2rem;
  padding: 1.5rem;
}

.reference-list {
  margin-left: 1rem;
  width: 75%
}
.reference-list li {
  margin-bottom: 0.8rem;
}

.citation {
  display: block;
}

.ref-link {
  color: #007bff;
  text-decoration: none;
}