* {
    margin: 0;
    padding: 0;
}

body {
    background-color: #fff;

 
    }
header {
    background-color: #2b2223;
    }
main {
    background-color: #e6e6e6;
    width: 70%;
    float: left;
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 5px 5px 5px 5px;
    }

aside {
   background-color: #917708;
   width: 25%;
   float: right;
   margin-top: 10px;
   margin-bottom: 10px;
   padding: 5px 5px 5px 5px;
    }

footer {
    background-color: #2b2223;   
    clear: both;
    margin-top: 20px;
    color: #fff;
    padding: 5px 5px 5px 5px;
        
    }


div#carilla {
    margin: auto;
    background-color: #fff;
    margin-left: 20px;
    margin-right: 20px;
        
    }

nav ul {
    margin-top: 10px;
    list-style: none;
    }
nav ul li {
    float: left;
    margin-right: 10px;
    }
nav ul li a {
    text-decoration: none;
    }