a.ext-link {
  border-bottom: 1px dashed #1656b5;
}
a.ext-link::after {
  content: "\2197\FE0E";
  font-size: 0.85em;
  line-height: 0;
  margin-left: 2px;
  vertical-align: super;
  color: #1656b5;
  text-decoration: none;
}