body
{
    background-color:darkgray;
    font-size: 20px;
    width: 900px;
    margin: 0 auto;
}

header
{
    background: black;
    color:white;
    padding:20px;
}

header h1
{
    font-size:40px;
    text-align: center;
}
h2
{
    font-size:24px
}
img
{
    border: 1px solid black;
    margin: 1px 1px 1px 1px;
    width: 25%;
    display:block;
    min-height: 180px;
    float: right;
}
main
{
    background:white;
    padding: 25px;
    overflow: auto;
    color: black;
    min-height: 300px;
}
main a
{
    text-decoration: none;
    color: red;
}
nav
{
    background:darkblue;
}
nav a
{   
    text-transform: uppercase;
    font-size: 24px;
    text-decoration: none;
    margin: 0px, 5px;
    padding: 5px 10px;
    border: 1px;
    display:inline-block;
    color: black;
    background: lightsteelblue;
    font-size: 18px;    
}
nav a:hover
{
    background: darkblue;
    color:white;
}

footer
{   margin:5px 0;
    font-style: italic;
    padding:20px;
    background:black;
    color: white;
}