<canvas width="600" height="400"></canvas>
<script>
var pantalla = document.querySelector("canvas");
var pincel = pantalla.getContext("2d");
pincel.fillStyle = "darkgreen";
pincel.fillRect(120, 50, 350, 300);
pincel.fillStyle = "black";
pincel.fillRect(165, 100, 90, 90);
pincel.fillStyle = "black";
pincel.fillRect(325, 100, 90, 90);
pincel.fillStyle = "black";
pincel.fillRect(255,190,70,100);
pincel.fillStyle = "black";
pincel.fillRect(215,240,40,110);
pincel.fillStyle = "black";
pincel.fillRect(325,240,40,110);
</script>
