main {
  width: 100%;
  max-width: 720px;
  padding: 2rem;
  margin: 0 auto;
}

.toggle-el {
  padding: 2rem;
  height: 100%;
  transition: all 0.4s ease;
  opacity: 1;
  margin-top: 1rem;
  overflow: hidden;
}

input[type=checkbox].hide-input:not(:checked) + .toggle-el {
  height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
}

input.hide-input {
  position: absolute;
  left: -999em;
}

label.toggle {
  text-align: center;
  display: inline-block;
  cursor: pointer;
  padding: 0.5em 1em;
  font-size: 1rem;
  color: #242424;
  background: #b5b5b5;
  border-radius: 3px;
  user-select: none;
}