[css-sizing-4] whitespace

Author: fantasai

css-sizing-4/Overview.bs

@@ -154,6 +154,7 @@ Intrinsic Aspect Ratios: the 'aspect-ratio' property</h3>
 	and no <a>intrinsic dimension</a> in that axis,
 	see e.g. <a href="https://www.w3.org/TR/CSS2/visudet.html">CSS2 &sect;&#x202F;10</a>
 	and <a href="https://www.w3.org/TR/css-flexbox-1/#algo-main-item">CSS Flexible Box Model Level 1 &sect;&#x202F;9.2</a>.
+
 	The axis in which the <a>preferred size</a> calculation
 	depends on this aspect ratio
 	is called the <dfn export>ratio-dependent axis</dfn>,
@@ -162,8 +163,6 @@ Intrinsic Aspect Ratios: the 'aspect-ratio' property</h3>
 	The opposite axis (on which the [=ratio-dependent axis=] size depends)
 	is the <dfn export>ratio-determining axis</dfn>.
 
-
-
 	<dl dfn-for="aspect-ratio" dfn-type="value">
 		<dt><dfn>auto</dfn>
 		<dd>