body
{
  background-color:#000000;
  
}

div
{
  padding-top:10px;
  padding-left:20px;
  padding-right:20px;
  padding-bottom:10px;
}

div.head
{
  width:100%;
  height:200px;
  background-color:#FFF;
  float:center
  margin-top:40px;
  margin-left:20px;
  margin-right:20px;
  margin-bottom:10px;

}

div.nav
{
  width:150px;
  height:300px;
  background-color:#FFF;
  margin-top:20px;
  margin-left:20px;
  margin-right:10px;
  margin-bottom:10px;
  float:left;
}

div.content
{
  background-color:#FFF;
  width:auto;
  margin-top:30px;
  margin-left:190px;
  margin-right:20px;
  margin-bottom:10px;
  float:center; 
}