div.howto-top {
  padding-left: 16px;
}
ul.howto {
  padding: 0 16px;
}
ul.howto li {
  list-style-type: none;
  margin: 0 0 8px 0;
}
ul.howto.sub li, ul.howto.articles li {
  font-size: 20px;
}
ul.howto.sub li a::before {
  content: "[+] "
}

.accordion-panel {
  padding: 0;
  padding-left: 16px;
  padding-top: 8px;
  display: none;
}

.accordion-panel.open {
  display: block;
}