.footer {
  margin-top: 60px;
  padding: 40px 0;
  border-top: 1px solid #dedede;
  display: flex;
}

.footer__inner {
  flex-grow: 1;
}

.footer__by {
  padding-left: 40px;
  align-self: flex-end;
  color: #aaa;
}

.footer__by a {
  color: #aaa;
}

.footer__by a:hover {
  text-decoration: none;
}

@media only screen and (max-width : 480px) {
  .footer {
    margin-top: 0;
    padding: 20px;
    display: block;
  }

  .footer__by {
    margin-top: 20px;
    padding: 0;
  }
}