/* base and phone */
body {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 100%;
	line-height: 140%;
	color: #000;
	margin: 20px;
	background-color: #FFF;
}
#wrapper {
	max-width: 960px;
	margin: auto;
}
header {
	color: #FFF;
	background-color: #000;
	padding: 20px;
}
nav {
	padding: 10px 0;
	margin-bottom:20px;
	border-bottom: 2px solid #CCC;
}
nav ul {
	margin: 0px;
	padding: 0px;
	list-style-type: none;
}
nav ul li {
	float: left;
	margin-right: 20px;
}
nav:after {
	content: "";
	display: block;
	clear: both;
}
article {
	border-bottom: 2px solid #CCC;
	padding: 0 0 20px 0;
}
aside {
	padding: 20px 0;
}
footer {
	color: #FFF;
	background-color: #000;
	padding: 20px;
}
img {
	max-width: 100%;
	height: auto;
}
aside img {
	float: left;
	margin-right: 20px;
	margin-bottom: 10px;
}

/* tablet */
@media only screen and (min-width:640px) { 

header {
	background-color: #666;
}
article {
	width: 70%;
	border-bottom: none;
	float: left;
	padding: 0 6% 0 0;
}
aside {
	width: 24%;
	float:left;
	padding-top: 0;
}
footer {
	clear: both;
	background-color: #666;
}
aside img {
	float: none;
	margin-bottom: 0;
}
		
}

/* desktop */
@media only screen and (min-width:960px){
	
body {
	margin: 20px 0 20px 0;
}
header {
	color: #000;
	background-color: #B3B3B3;
	margin-bottom: 40px;
}
nav {
	float:left;
	width: 100px;
	border: none;
}
nav ul li {
	display: block;
	margin: 0 0 20px 0;
}
article {
	width: 600px;
	padding: 0 40px 0 20px;
}
aside {
	width: 200px;
}
footer {
	color: #000;
	background-color: #B3B3B3;
}
	
}