.main_content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.fondo_principal {
  background-image: url('assets/fondoF.png');
  background-repeat: no-repeat;
  background-size: cover; 
  background-position: top center;
}