body {
  background-image: url("https://hdwallsource.com/img/2014/10/animated-gifs-30974-31705-hd-wallpapers.jpg");
  background-size: 100%;
  background-attachment: fixed;
}
@media only screen and (max-width: 500px) {
    body {
    }
}
img {
  width: 100%;
}

p {
position: fixed;
top: 0%;
left: 40%;
text-align: center;
color: white;
}