#rodape {
  padding-bottom: 30px;
}
#rodape::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 10px;

  width: 120px;
  height: 30px;

  background: url('https://cdn.awsli.com.br/2454/2454272/arquivos/logo-mtsolucoes-topo2.svg') no-repeat center;
  background-size: contain;
}