def METHOD_NAME(assert_pixels):
    assert_pixels('''
        __________
        __rBBB____
        __rBBB____
        __BBBB____
        __BBBB____
        __BBBB____
        __BBBB____
        __BBBB____
        __BBBB____
        __________
    ''', '''
      <style>
        @page { size: 10px; margin: 2px; }
        div { transform: scaleY(2);
              transform-origin: 1px 1px 0;
              image-rendering: pixelated;
              font-size: 0 }
      </style>
      <div><img src="pattern.png"></div>''')