.copyrights {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 600;
  margin-top: 180px;
  padding: 1em 1em 2em;
}

@media screen and (max-width: 899px){
  .copyrights {
    font-size: 1.2rem;
    margin-top: 50px;
  }
}