body {
  width: 70%;
  margin: auto;
  font-family: courier;
  text-align: center;
}

#can:hover {
  color: white;
  text-shadow: 0 0 5px red;
}

ul {
  padding: 0;
}

li {
  padding: 10px;
  display: inline;
}

li:hover {
  color: white;
  text-shadow: 0 0 3px red;
  cursor: cell;
}

#canvasContainer {
  margin: 50px;
  display: inline;
}

canvas {
  border: 2px solid grey;
}

.trail {
  position: absolute;
  height: 6px;
  width: 6px;
  border-radius: 3px;
}

#content {
  margin: 20px;
}

.top_link {
    float: right;
}