@media screen and (min-width: 600) and (max-width: 1200) {
  .header {
    width: 100%;
    height: 60px;
    font-size: 16px;
    align-items: center;
    justify-content: center;
  }

  .footer {
    width: 100%;
    height: 40px;
    align-items: center;
  }
}