h1
{
  position:absolute;
  left:50%;
  top:70%;
}

  a:link
  {
    color: red;
    text-decoration: underline;
    font-size: 26px;
  }
  a:visited
  {
    color: rgb(red);
    text-decoration: underline;
    font-size: 26px;
  }
  a:hover
  {
    color: purple;
    text-decoration: underline;
    font-size: 26px;
  }

body
{
  background-image: url("../pictures/lake.jpg");
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-attachment: fixed;
}