body {
  background-color: lightgrey;
  color: black;
  font-family: 'Times New Roman', serif;
}

  h1{
    color: black;  
  }
  
  h2{
    color: #00ff00; 
    background-color: black;
  }
  
  a:link {
    color: blue;

  }
  
  /* visited link */
  a:visited {
    color: blue;
    
  }
  
  /* mouse over link */
  a:hover {
    color: white;
    background-color: blue;
  }
  
  /* selected link */
  a:active {
    color: white;
    background-color: blue;
  }