body {
      font-family: sans-serif;
      padding: 2em;
    }
     .accordion {
    background-color: ivory; <!-- #fff3e6; -->
    } 
    button {
      margin-bottom: 1em;
      padding: 0.3em 0,3em;
      font-size: 0.8em;
    }
    table {
      width: 80%;
      border-collapse: collapse;
      margin: auto;
    background-color: #fff3e3;
    }

   .fulltable {
      width: 100%;
      border-collapse: collapse;
      margin: auto;
      vertical-align: middle;
      text-align: center;
    }
   H3 {
      text-align: center;
    } <!--  -->
    td {
      vertical-align: top;
      width: 50%;
    }

    summary {
      font-weight: bold;
      cursor: pointer;
  <!--  pointer-events: auto; --> 
   }
    details {
   <!--  display: block; -->
       margin: 0.5em 0;
       padding: 0.5em;
       border: 1px solid #ccc;
       border-radius: 4px;
       background-color: ivory;
    }