.body{
  color: skyblue;
}
html {
  width: 512px;
  margin: 10px auto 0px auto;
  font-family: verdana, arial, sans-serif;
}

canvas {
  border: 3px solid black;
}
.wide {
  width: 512px;
  text-align: center;
}
legend {
  font-weight: bold;
}