          class="alignEnd"><!--self-end--></div>
    <br>
    <!-- <self-position>, part 2: -->
    <div class="container"><img src="support/colors-8x16.png"
                                class="alignStart"><!--flex-start--></div>
    <div class="container"><img src="support/colors-8x16.png"
                                class="alignEnd"><!--flex-end--></div>
    <div class="container"><img src="support/colors-8x16.png"
                                class="alignStart"><!--left--></div>
    <div class=