body{
    width: 70%;
    margin:auto;
    background-image:url(black-hd-wallpaper-1920x1080-1-hd-wallpaper.jpg)
    
}
hgroup
{
   
    width:100%;
    

}

header
{
background:skyblue;
color:black;
    padding: 10px 10px 10px 10px;
    
    
    overflow: hidden;
}
div
{
    
    
    background: white;
}
footer
{
    background: skyblue;
    width: 100%;
   
    
}
section
{
    padding:10px 10px 10px 10px;
    
    
    
}
img
{;

width:40%;
float: top;
}
footer
{margin:auto;}
nav li
{
    display: inline;
    margin-right: 50px;
    
}