main {
  max-width: 100vw;
  margin-bottom: 1em;
}
.collapsible-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.collapsible, .content {
  width: 80%;
  max-width: 100%;
  box-sizing: border-box;
}
.collapsible {
  background-color: #333;
  font-size: 1.3em;
  color: white;
  cursor: pointer;
  padding: 10px;
  border: none;
  text-align: left;
  outline: none;
}
.active, .collapsible:hover {
  background-color: #222;
}
.content {
  padding: 10px; /* Use same horizontal padding as .collapsible */
  display: none;
  overflow: hidden;
  background-color: #f8eeff;
  color: #222;
  box-sizing: border-box;
  text-align: left;
}

.content ul>li {
  list-style-type: decimal;
  font-size: 1.3em;   /* make top-level bigger */
  font-weight: bold;  /* optional, makes it stand out */
  margin: 1em 0 0.5em 0em;
}
.content ul ul li {
  list-style-type: lower-alpha;
  font-size: 1rem;    /* reset to base size (normal text size) */
  font-weight: normal;
  margin: 0.5em 0 0em 0em;
}
.content ul ul ul li {
  list-style-type: lower-roman;
  font-size: 1rem;    /* reset to base size (normal text size) */
  font-weight: normal;
  margin: 0.3em 0 0em 0em;
}