<div class="background">
  <h1>GALAXY</h1>
</div>

* {
  margin: 0;
  padding: 0;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.background {
  background: url("https://images.unsplash.com/photo-1465101162946-4377e57745c3?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1957&q=80")
    center;
  background-size: cover;
}
h1 {
  font-size: 15vw;
  font-weight: bold;
  font-family: Roboto, "Helvetica Neue", Arial, sans-serif;
  mix-blend-mode: lighten;
  color: #000;
  background: #fff;
}