footer {
  overflow: hidden;
  width: 100%;
}

.derechos-reservados {
  font-size: calc(12px + 0.01vw);
  width: 100%;
  position: fixed;
  bottom: 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  color: rgba(255, 255, 255, 0.735);
}