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/* HEADER  */

header {
  position: relative;
  text-align: center;
  color: white;
}
header img {
  width: 100%;
  background-size: cover;
  height: auto;
}
header h1 {
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}