[css-align-3] Fix links

Author: fantasai

css-align-3/Overview.bs

@@ -1379,7 +1379,7 @@ Inline-Axis (or Main-Axis) Alignment: the 'justify-self' property</h3>
 			<th>''justify-self/normal'' Behavior
 			<td>
 				The box lays out according to the default rules for block layout
-				(see [[CSS2#visudet]]).
+				(see [[CSS2/visudet#Computing_widths_and_margins]]).
 		<tr>
 			<th>Other Details
 			<td>
@@ -2381,7 +2381,7 @@ Appendix A: Static Position Terminology</h2>
 	on an <a href="https://www.w3.org/TR/CSS2/visuren.html#absolutely-positioned">absolutely positioned box</a>,
 	CSS2 uses its <a>static position</a>
 	to resolve its size and position.
-	See [[css2/#abs-non-replaced-width]].
+	See [[css2/visudet#abs-non-replaced-width]].
 	The <a>box alignment properties</a> modify these calculations,
 	just as they do the sizing and positioning calculations in other layout modes.
 	These modifications refer to a <dfn>static-position rectangle</dfn>,