a {
  text-decoration: none;
}
main {
  max-width: 52em;
  line-height: 1.475;
}
main a {
  color: #67d6e1;
}
main a:hover {
  border-bottom: 2px solid;
}
main a:active {
  background-color: rgba(40, 159, 163, 0.18);
}