#qa details {
  border: 1px solid #eee;
  border-radius: 12px;
  margin-bottom: 1em;
  box-shadow: 0px 5px 5px -3px rgba(0,0,0,0.1);
}
#qa details summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  padding: 1em 2em 1em 3em;
  font-weight: 500;
  cursor: pointer;
}
#qa details summary:before,
#qa details p:before {
  position: absolute;
  left: 1em;
  font-weight: 600;
  font-size: 1.3em;
}
#qa details summary:before {
  color: #4a7c29;
  content: "Q";
}
#qa details summary:after {
  transform: translateY(-25%) rotate(45deg);
  width: 7px;
  height: 7px;
  margin-left: 10px;
  border-bottom: 3px solid #333333b3;
  border-right: 3px solid #333333b3;
  content: '';
  transition: transform .5s;
}
#qa details[open] summary:after {
  transform: rotate(225deg);
}
#qa details p {
  position: relative;
  transform: translateY(-10px);
  opacity: 0;
  margin: 0;
  padding: .3em 3em 1.5em;
  transition: transform .5s, opacity .5s;
}
#qa details[open] p {
  transform: none;
  opacity: 1;
}
#qa details p:before {
  color: #c00;
  line-height: 1.2;
  content: "A";
}

.content-section__title:not(:first-child) {
  margin-top: 120px;
}
.bdr {
text-decoration: underline;
}