
  <style>		

body {
	margin-left: 25%; margin-right: 25%;
	color: black; 
	background:silver ; 
	}
	body {
	margin-left: 25%; margin-right: 25%;
	color: black; 
	background:silver ; 
	}
	:link { color: white;
	text-decoration: none;}  /* for unvisited links */
  :visited { color: white; 
	text-decoration: none;}  /* for visited links */
  :active { color: darkslatebue; 
	text-decoration: underline;}  /* when link is clicked */
   :hover { color:#007bff; 
	text-decoration: none;}  /* when mouse is over link */
	 :hover { color: #007bff;
	
	H1 
     { font-size: 2em; margin: .67em 0; color: black }
	 
	 H3
     { font-size: 1.4em; margin: .50em 0; color:slategray }
	
	nota {
	font-size: 0.90em; color: transparent ; text-transform: uppercase
	}
 
	nota:hover {
	font-size: 1.50em; color: slategray
	}
	
<style</>	