.sandbox-item {
  cursor: pointer;
  transition: border-color .15s, background .15s;
  background: #fff;
}
.sandbox-item:hover {
  border-color: #0d6efd !important;
  background: #f0f4ff;
}

.xml-pre {
  background: #0f172a;
  color: #cbd5e1;
  padding: 1rem;
  border-radius: .375rem;
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.65;
  overflow: auto;
  max-height: 440px;
  white-space: pre;
  tab-size: 2;
}