*{
    margin: 20px;
    padding: 20px;
}


body {
    background-color: #000;
    margin-top:20px;
    margin-bottom:0;
    font-family: sans-serif;
}

header {
    background-color: #FFF577; 
    color: #000;
    text-align: center;
}

main {
    background-color: #000;
    width:70%; 
    float:left;
    margin-left:20px;
    margin-top: 20px;
    color:#fff;
    text-align: center;
    
}



aside {background-color: #AA6C9D; width:20%; float: right; display: block; color: #000;}
footer {background-color: #93D0BB; clear: both; text-align: center}


nav ul {
    list-style: None;
    text-align: center;
    color: #fff;
}
nav ul li {
    float:left;
    margin-right: 5px;
    display: inline-block;
    text-align: center;
    color: #fff;
}

nav ul li a {
    text-decoration: none;
    display: block;
    color: #fff;
    text-align: center;
    }