if page == "intro":
    if mb[0] == 1 and instructRect.collidepoint(mx,my):
        page = "instructions"
    if mb[0] == 1 and playRect.collidepoint(mx,my):
        page = "main"

if page == "main":
    screen.blit(background,(0,0))
    border=Rect(100,50,600,400)
    square=Rect(100,50,600,400)
    draw.rect(screen,white,border,5)
    draw.rect(screen,pink,square)

    # grid
    for y in range(50,450,100):
        grid=draw.line(screen,white,(100,y),(700,y),5)
    for x in range(100,700,100):
        grid=draw.line(screen,white,(x,50),(x,450),5)

    for x in range(6):
        for y in range(4):
            p=board[x][y]
            screen.blit(pics[p],(x*100+100,y*100+50))