body {
	background: linear-gradient(135deg, rgb(31, 159, 255), white 65%, rgb(31, 159, 255)); 
  margin: 0px; 
  padding: 0px; 
  font-family: Verdana, sans-serif; 
  font-size: 2em;
}
div#main {
	margin: auto; 
  border: 1px solid gray; 
  width: auto; 
  background-color: rgb(255, 255, 255);
}
header {
	padding: 50px; 
  text-align: center; 
  border-bottom-color: gray; 
  border-bottom-width: 1px; 
  border-bottom-style: solid;
}
nav {
	margin: 0px; 
  padding: 20px; 
  text-align: center;
}
section {
	padding: 20px; 
  text-align: justify; 
  border-top-color: gray; 
  border-top-width: 1px; 
  border-top-style: solid;
}
footer {
	padding: 20px; 
  text-align: center; 
  clear: both; 
  border-top-color: gray;
   border-top-width: 1px; 
   border-top-style: solid;
}
li {
	margin-right: 20px; 
  display: inline; 
  list-style-type: none;
}