canvas_2 = {
const s = 500
const r = s * 0.7
const context = DOM.context2d(s, s)
context.shadowBlur = 10
context.shadowColor = "#9b9b9b"
context.fillStyle = "#f4f1ef"
context.translate(s/2, s/2)
context.save()
context.beginPath()
context.arc(0, 0, r * 0.4, 0, Math.PI*2)
context.clip()
context.beginPath()
context.rect(-r/2, -r/2, r, r)
context.arc(0, 0, r * 0.4, 0, Math.PI*2, true)
context.fill()
context.restore()
return context.canvas
}