.about {
  padding: 3em 0;  
}

.about .header{
  padding: 12em 0 0.09em 0;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url(/images/about.jpg) center / cover no-repeat;
}

.about h1 {
  font-size: 3em;
  text-transform: uppercase;
}

@media (min-width: 992px) {

}