.out_link {
  max-width: 550px;
}
.out_link a.btn {
  background-color: #2f883d;
  padding: 15px 0;
  border-bottom: none;
}
.out_link a.btn div {
  font-size: 2rem;
}
@media screen and (max-width: 519px) {
  .out_link a.btn div {
    font-size: 1.6rem;
    margin-right: 0;
  }
}
.out_link a.btn::after {
  font-size: 30px;
  right: 30px;
}
@media screen and (max-width: 519px) {
  .out_link a.btn::after {
    font-size: 0;
    right: 0;
  }
}