div.container
{
width:100%;
margin:0px;
border:1px solid gray;
line-height:150%;
float:left;
}

div.header,div.footer
{
padding:0.5em;
color:white;
background-color:gray;
clear:left;
}
h1.header
{
padding:0;
margin:0;
}
div.left
{
float:left;
width:50%;
margin:0;
padding:1em;
}
div.content
{
width:50%;
background-color: #c0c0c0;
border-left:1px solid gray;
float:left;
padding:1em;
}