body {
    background: no-repeat;
    background-size: cover;
    background-color: #05102e;
    margin: 0;
    padding: 0;
}

.container {
  position: relative;
  height: 100vh;
}

img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}