header,nav{ 
        /*applying css style rules to header and navigation section*/
        background-color:red;
        color:black;
       text-align:center;
       font-style:oblique;
       font-family:impact;
       text-decoration:none;
       
}

      

body{
    font-family:sans-serif;
    background-color:green;

}

footer{ background-color:black;
        color:white;
       text-align:center;
       
       
      
      

      
}

a{text-decoration: none;}

.feature{color:#c70000;
}

#wrapper{margin-left:auto;
        margin-right:auto;
        width:80%;
}