body {
  background: url("brain.png") repeat;
  animation: scrolling 5s linear infinite;
}

@keyframes scrolling {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 900px 900px;
  }
}

h1, p {
  color: powderblue;
  text-align: center;
}