details > summary {
  font-size: 15pt;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  position: relative;
  background-color: #e8ecf7;
  border: none;
  padding: 15px 20px;
  text-align: left;
  cursor: pointer;
  font-weight: normal;
  box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.25);
  list-style-image: none;
}
a {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

&::after {
  position: absolute;
  top: 50%;
  right: 10px;
  font-size: 35px;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  width: 35px;
  height: 35px;
  text-align: center;
  border-radius: 50%;
  color: #000000;
  border: 2px solid #000000;
  transform: translate(0%, -50%) rotate(0deg);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  padding-bottom: 4px;
  padding-left: 2px;
  justify-content: center;
  font-weight: normal;
  transition: all 0.3s ease;
}