footer {
  text-align: center;
  background: rgb(173, 173, 169);
  padding: 40px 0;
  width: 100vw;
}

.imagem-logo {
  width: 100vw;
}

.copyright {
  color: #000000;
  font-size: 0.6rem;
  margin: 20px 0 0;
}

@media screen and (min-width: 640px) {
  .footer {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }
}