body {
margin:0 auto;
width:75%;
font-family: 'Lato', sans-serif;
background: white;

}
table, th, td {
  border: 1px solid black;
}
section
{
padding:10px;
}
h1
{
margin: 0;
color:white;
background:url(header.jpg);
height:100px;
}
nav
{
margin:0px;
}
header{
margin:0px;
height:100px;
}
html
{
background: #C2C2A3;
}
aside
{
float: right;
}
#intro
{
background:#A3FF47;
}
h4 {margin-left: 50px; background: grey;}
h3 {text-align: center;background: black; color: white;}
article ul {margin-left: 70px;}
nav ul {list-style: none;padding: 0px;margin: 0px;}
nav ul li {display: block;position: relative;float: left;border:1px solid #000;}
nav li ul {display: none;}
nav ul li a {display: block;background: #000;padding: 5px 10px 5px 10px;text-decoration: none;
           white-space: nowrap;color: #fff;}
nav ul li a:hover {background: #f00;}
li:hover ul {display: block; position: absolute;}
li:hover li {float: none;}
li:hover a {background: #f00;}
li:hover li a:hover {background: #000;}
#drop-nav li ul li {border-top: 0px;}