a {
  text-decoration: none;
  float: right;
  display: block;
  border-radius: 15px;
}

@media screen and (min-width: 1000px) {
  a {
    background-color: rgb(125, 168, 6);
    margin-right: 50px;
    padding: 10px 15px;
    color: white;
    font-size: 1em;
    margin-top: 50px;
    margin-bottom: 50px;
  }
}

@media screen and (max-width: 1000px) {
  .back-btn {
    font-size: 2.5em;
    margin-right: 55px;
    margin-top: 50px;
    padding: 10px 20px;
    background-color: rgb(82, 128, 14);
    color: white;
  }
}