Move the staticpos calculation to its own section, as it actually redefines every single aspect of positioning.

Author: tabatkins

css-align/Overview.bs

@@ -899,12 +899,29 @@ Inline/Main-Axis Alignment: the 'justify-self' property</h3>
 
 				If either offset property in this dimension is ''top/auto'',
 				'justify-self' has no effect.
+	</table>
+
+### Static Position of Absolutely-Positioned Boxes ### {#justify-abspos-static}
 
-				For the purpose of determining the static position,
-				the <a>alignment container</a> is instead the <a>static-position rectangle</a>
-				defined by the element's parent's layout mode,
-				and the element is treated as having zero offsets in every axis
-				(so this property <em>does</em> have an effect).
+	<table class="data align-details">
+		<tr>
+			<th>'justify-self' Axis
+			<td>
+				The same axis that 'justify-self' corresponds to for in-flow children of the element's parent
+		<tr>
+			<th><a>Alignment Container</a>
+			<td>
+				The element's <a>static-position rectangle</a>,
+				as defined by its parent's layout mode.
+		<tr>
+			<th><a>Alignment Subject</a>
+			<td>
+				The element's margin box <em>after</em> laying out the element,
+				treated as fixed-size for the purpose of alignment.
+		<tr>
+			<th>''justify-self/normal'' Behavior
+			<td>
+				Behaves as (the fallback for) ''justify-self/stretch'' (because it is treated as fixed-size).
 	</table>
 
 ### Table Cells ### {#justify-cell}
@@ -1026,12 +1043,29 @@ Block/Cross-Axis Alignment: the 'align-self' property</h3>
 
 				If either offset property in this dimension is ''top/auto'',
 				'align-self' has no effect.
+	</table>
+
+### Static Position of Absolutely-Positioned Boxes ### {#align-abspos-static}
 
-				For the purpose of determining the static position,
-				the <a>alignment container</a> is instead the <a>static-position rectangle</a>
-				defined by the element's parent's layout mode,
-				and the element is treated as having zero offsets in every axis
-				(so this property <em>does</em> have an effect).
+	<table class="data align-details">
+		<tr>
+			<th>'align-self' Axis
+			<td>
+				The same axis that 'align-self' corresponds to for in-flow children of the element's parent
+		<tr>
+			<th><a>Alignment Container</a>
+			<td>
+				The element's <a>static-position rectangle</a>,
+				as defined by its parent's layout mode.
+		<tr>
+			<th><a>Alignment Subject</a>
+			<td>
+				The element's margin box <em>after</em> laying out the element,
+				treated as fixed-size for the purpose of alignment.
+		<tr>
+			<th>''align-self/normal'' Behavior
+			<td>
+				Behaves as (the fallback for) ''align-self/stretch'' (because it is treated as fixed-size).
 	</table>
 
 ### Table Cells ### {#align-cell}