.header__button {
  border: 2px solid #3b9660;
  box-sizing: border-box;
  border-radius: 25px;
  font-size: 22px;
  line-height: 22px;
  color: #3b9660;
  text-decoration: none;
  padding: 15px 15px 7px;
  transition: 0.7s;
}

.header__button:hover {
  background-color: #3b9660;
  color: #fff;
}

@media screen and (max-width: 926px) {
  .header__button {
    position: absolute;
    right: 8px;
    padding: 9px 15px 10px;
    font-size: 20px;
    line-height: 20px;
  }
  .header__button-close {
    display: none;
  }
}