.q-block.open .question {
  color: #f00;
}
.q-block.open .question .switch span {
  transform: rotate(90deg);
  background: #f00;
}
.q-block.open .question .switch span:last-of-type {
  left: 50%;
  right: 50%;
}
.q-block.open .answer {
  max-height: 12rem;
}
.q-block {
  overflow: hidden;
  width: 90%;
  margin: 0 auto 1.75rem auto;
}
.q-block .answer {
  max-height: 0;
  transition: max-height 0.3s;
}
.q-block .question {
  font-weight: 600;
  font-size: 1.2em;
  transition: color 0.3s;
  user-select: none;
  padding-right: 1.5rem;
  position: relative;
}
.q-block .question:hover {
  color: #f00;
  cursor: pointer;
}
.q-block .question:hover .switch span {
  background: #f00;
}
.q-block .switch {
  position: absolute;
  top: 0;
  right: 0;
  display: inline-block;
  width: 1.5em;
  height: 1.5em;
}
.q-block .switch span {
  position: absolute;
  transition: 0.3s;
  background: #000;
  border-radius: 3px;
}
.q-block .switch span:first-of-type {
  top: 25%;
  bottom: 25%;
  width: 10%;
  left: 45%;
}
.q-block .switch span:last-of-type {
  left: 25%;
  right: 25%;
  height: 10%;
  top: 45%;
}