<canvas width="600" height="400">
</canvas>
<script>
var tela = document.querySelector('canvas')
var pincel = tela.getContext('2d')
pincel.fillStyle = 'darkgreen'
pincel.fillRect(0, 0, 350, 300)
pincel.fillStyle = 'black'
pincel.fillRect(43.75, 60, 90, 90)
pincel.fillRect(205, 60, 90, 90)
pincel.fillRect(132.5, 150, 70, 100)
pincel.fillRect(95, 190, 40, 110)
pincel.fillRect(200, 190, 40, 110)
</script>
