body{
    background-image:url(https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRwLaYuMfUFWfLrASqqD4oYnn7o2uYaeLFUu7AvzszQ7husYMAnw6hTeiKndXcXIePvex0&usqp=CAU);
    background-size: auto;
    background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: center;
}
.header{
  back
}