.toggle {
    padding-bottom: 12px;
  }
  
  .toggle .header {
      display: block;
      clear: both;
  /*    background-color:#f3f6f6;
      box-sizing: border-box;
      margin: 0;
      padding: 12px 12px;
      overflow: auto;
      white-space: pre;
      font-size: 14px;
      line-height: 1.4; */
  }
  
  .toggle .header:after {
      content: " ▶";
  }
  
  .toggle .header.open:after {
      content: " ▼";
  }
  
  div.btn>p { margin: 0; }

.tight-table td {
    white-space: normal !important;
}