style.css

body {color: black; background-color: white;
  padding: 5px;   
  margin: 5px;
  text-align: center; 
  font-family: "Helvetica", sans-serif;
  font-style: normal; 
  font-size: 20px;
}

img {height: 75px;
}

a:link {color: blue; text-decoration: none;}
a:visited {color: red; text-decoration: none;}
a:hover {color: black; text-decoration: none;}
a:active {color: purple; text-decoration: none;}

#page {width: 100%; 
  height: 100%;
}

#banner {position: relative; 
  width: 98%;    
  height: 20%;
  padding: 5px;   
  margin: 5px;
  background: blue;
}      

#logo {width: 98%;
  background: red;
  padding: 5px;   
  margin: 5px;
  font-size: 50px
} 

#content {height:65%; 
  width: 98%;  
  padding: 5px;   
  margin: 5px;
  background: purple;
}

#footer {position: relative;
  top: 80%;
  height: 15%; 
  width: 98%;
  padding: 5px;   
  margin: 5px;
  background: yellow;
}