body {
  background-color: black;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.amber {
  width: 350px;
}

/* MEDIUM - For device-widths 800px to 1023px: */

@media screen and (min-width: 800px) {
  .amber {
    width: 50vw;
  }
}