body
{
background-image: url(../images/tlo.jpg);
background-size: 100%;
background-attachment: fixed;
}

h1, h2, h3
{
    text-align: center;
}

a:link, a:visited
{
    text-decoration: none;
    color: black;
    border: 1px solid rgb(65, 94, 255);
    background-color: white;
    padding: 10px;
    display: inline-block;

}

a:visited, a:hover, a :active
{
    background-color: cornflowerblue;
    color: white;
    
}


.index21
{
  text-align: center;  

  display: block;
  background-color: aqua;
  width: 330px;
  margin: 10px;
  padding: 8px;
  border: 5px solid black;
  
  margin: 0 auto;
}