.bg-negro {
  background: black;
}
.white {
  color: white !important;
}

.text-center {
  text-align: center;
}

.m-w60 {
  max-width: 60%;
}

.m-r5 {
  margin-right: 5%;
}

.img-logo-header {
  width: 50%;
  height: 50%;
}

@media (max-width: 768px) {
  .img-logo-header {
    width: 100%;
    height: 100%;
  }
}