body {
  margin: 0px;
  background: #000000;
  text-align: center;
}
#wrapper {
  width: 1003px;
  margin: auto;
}
#left {
  width: 680px; 
  height: 600px; 
}
#left img {
  border: none;
}
.screenshot { 
  width: 680px;
  height: 510px;
  margin-bottom: 5px;
}
.navBtns {
  width: 680px;
}

#ads { float: right; margin: 0px 0px 0px 20px;  }
#ads img { margin-bottom: 20px; border: none; }

.clear { clear: both; }