.hidden {
  display: none;
}

.headerContainer {
  width: 100%;
  height: 100%;
  background-color: #f4f4f4;
}

.brandHeader {
  width: 100%;
  margin: 0 auto;
}

@media only screen and (max-width: 640px) {
  .brandHeader {
    width: 100%;
    margin: 0 auto;
  }
}