.details {
  border-top: 2px solid #232F72;
  border-left: 2px solid #232F72;
  border-right: 2px solid #232F72; }
  .details:last-of-type {
    border-bottom: 2px solid #232F72; }

.details-summary {
  position: relative;
  display: block;
  padding: 15px;
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  background-color: #232F72; }
  .details-summary:hover {
    cursor: pointer;
    opacity: 0.8; }
  .details-summary .btn {
    position: absolute;
    top: 37%;
    left: 10%;
    width: 18px;
    height: 18px;
    transform-origin: center center;
    transition-duration: 0.2s; }
    .details-summary .btn:before, .details-summary .btn:after {
      content: "";
      background-color: #fff;
      border-radius: 10px;
      width: 18px;
      height: 4px;
      position: absolute;
      top: 7px;
      left: 0;
      transform-origin: center center; }
    .details-summary .btn:before {
      width: 4px;
      height: 18px;
      top: 0;
      left: 7px; }
  .details-summary.is-active .btn {
    -webkit-transform: rotate(-180deg);
    transform: rotate(-180deg); }
    .details-summary.is-active .btn:before {
      content: none; }

.details-summary::-webkit-details-marker {
  display: none; }

.details-content {
  padding: 20px; }
  .details-content .close-btn {
    display: block;
    margin: 0 auto;
    padding: 8px 32px;
    background: #F4603A;
    color: #fff;
    text-align: center;
    border: none;
    border-radius: 5px;
    cursor: pointer; }
    .details-content .close-btn:hover {
      opacity: 0.8; }