.header-container {
  width: 100%;
}

.header-container__background {
  width: 100%;
  height: 100%;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  text-align: center;
}

.header-container__content {
  margin: auto;
}