1em
<li>one matches another visually when another rotated 90&deg; counterclockwise
</ul>
<figure>
<img src="img/pointing_right.svg" width="300">
<img src="img/pointing_up.svg" width="300">
<figcaption>example glyphs that satisfy the requirements above: "pointing-right" on left and "pointing-up" on right</figcaption>
</figure>
<p class="note">Yes, I stole the glyph idea from <a href="http://blogs.adobe.com/CCJKType/2013/05/css-orientation-test-opentype-fonts.html">CSS Orientation Test</a> font.
<figure>
<pre