h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  border-bottom: 1px solid;
}
h4 a, .typesquare_option a {
  color: #0B7D6B;
}
.book_section{
  margin-bottom: 80px;
}
.pdf-icon {
  width: 20px;
  height: 20px;
  background-image: url('../img/download/pdf-icon.svg');
  background-repeat: no-repeat;
  background-size: contain;
  display: inline-block;
  vertical-align: middle;
  margin-left: 4px;
}
.wrap-tab-content ul li {
  position: relative;
  padding: 6px 0 6px 20px;
  display: flex;
  align-items: center;
}
.wrap-tab-content ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background-color: #0B7D6B;
    border-radius: 50%;
}
.wrap-tab-content ul li:hover {
    text-decoration-line: underline;
    text-decoration-color: #0B7D6B;
}