#page-wrap {
     width: 800px;
     margin: 0 auto;
}

td {
	padding-right: 20px;
}

* {
  margin: 0;
  padding: 0;
  border: 0;
}

canvas {
position: relative; top:50%;
left:50%;
margin-left:-50vmin;
width:50vmin;
height:50vmin;
overflow:hidden;
}