<meta charset = UTF-8>
<canvas width ="600" height = "400"> </canvas>
<script>
var pantalla = document.querySelector("canvas");
var pincel = pantalla.getContext("2d")
pincel.fillStyle = "darkgreen"
pincel.fillRect(0,0,350,300);
pincel.fillStyle = "black"
pincel.fillRect(50,60,90,90)
pincel.fillStyle = "black"
pincel.fillRect(210,60,90,90)
pincel.fillStyle = "black"
pincel.fillRect(140,150,70,100)
pincel.fillStyle = "black"
pincel.fillRect(100,190,40,110)
pincel.fillStyle = "black"
pincel.fillRect(210,190,40,110)
</script>
