body {
  
    background-image: url('glub-2.png');
    background-size: cover; 
    color: white;
    background-attachment: fixed; 
    background-position: center;
}

img {
  max-width: 5000px; 
  width: 40%;
  padding: 5%;
}
/* unvisited link */
a:link {
  color: white;
}

/* visited link */
a:visited {
  color: grey;
}

/* mouse over link */
a:hover {
  color: grey;
}

/* selected link */
a:active {
  color: white;
}