html {background: ##BBF5BB}

body {
   margin: 30px auto;
   background: #FECB6E;
   width: 800px;
   }
   header 
   {background: #800080;
   text-align: center;
   color: white;
   padding: 10px;
   }
   
header h1 {
    font: 50px Arial;
    }   
   
nav a {
    color: red;
    padding: 20px;
    text-decoration: none;
    font: 20px Arial;
    }   
   
nav a:hover {
    text-decoration: underline;
    }   

main {
    padding: 20px;
    background:  white;
    }

footer {
    text-align: center;
    background:  white;
    }