body {
  font-family: "Kanit", sans-serif;
  background: #252525;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
#banner {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  position: relative;
  width: 800px;
  height: 410px;
  border: 1px solid #333;
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/32887/space-background.png);
}

img {
  width: 100px;
}