body {
  background-color: green;
  margin: 20px;
  padding: 0;
  font-size: .8em;
  font-family: verdana, arial, helvetica, sans-serif;
}

h2 {
  font-family: verdana, arial, helvetica, sans-serif;
  margin: 0 0 5px 0;
  padding: 0;
  font-size: 1.8em;
  color: white;
}

table.code {
  font-family: courier;
  font-size: 1.1em;
  background-color: beige;
  border: 1px dashed;
  width: 100%;
  margin: 0 0 1em 0;
}



h3 {
  font-family: verdana, arial, helvetica, sans-serif;
  margin: 0 0 5px 0;
  padding: 0;
  font-size: 1.8em;
  color: black;
}


a {
  color: #556b2f;
  font-family: verdana, arial, helvetica, sans-serif;
  text-decoration: none;
}
a:link {
  color: #556b2f; 
}
a:visited {
  color: #6b8e23; 
}

a.paper {
  color: green;
}
ol { 
list-style-type:decimal; 
}
li {
margin: .15cm;
}

/* All the content boxes belong to the content class. */
.content {
   position: center;
   width: 700px;
   min-width: 120px;
   margin: 20px 100px 20px 100px;
   border: 3px solid black;
   background-color: white;
   padding: 10px;
   z-index: 3;
}