.af-htmlbb {
  margin: 8px 0;
}

.af-htmlbb .af-htmlbb-fallback {
  padding: 8px 10px;
  border: 1px dashed rgba(255,255,255,.18);
  border-radius: 8px;
  opacity: .85;
  font-size: 12px;
}

.af-htmlbb-box iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 0;
}

.af-htmlbb-dd {
  padding: 10px;
  min-width: 340px;
  max-width: 420px;
}

.af-htmlbb-title {
  font-weight: 700;
  margin-bottom: 6px;
}

.af-htmlbb-hint {
  font-size: 12px;
  opacity: .85;
  margin-bottom: 8px;
  line-height: 1.35;
}

.af-htmlbb-input {
  width: 100%;
  box-sizing: border-box;
  resize: vertical;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(0,0,0,.25);
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
}

.af-htmlbb-actions {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.af-htmlbb-insert {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(0,0,0,.25);
  color: inherit;
  cursor: pointer;
}