.issn-box {
  background-color: #f9f9f9;
  padding: 12px;
  border-radius: 6px;
  margin-top: 20px;
  font-family: sans-serif;
}

.issn-entry {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.issn-entry:last-child {
  margin-bottom: 0;
}

.issn-entry img {
  width: 17px;
  height: 17px;
  margin-right: 8px;
}

.issn-entry span {
  font-size: 14px;
  color: #333;
  font-weight: bold;
}