[css-align] Fix applies-to of *-items.

Author: fantasai

css-align/Overview.bs

@@ -1327,7 +1327,7 @@ Inline/Main-Axis Alignment: the 'justify-items' property</h3>
 	Name: justify-items
 	Value: auto | normal | stretch | <<baseline-position>> | [ <<overflow-position>>? && <<self-position>> ] | [ legacy && [ ''<content-position>/left'' | ''<content-position>/right'' | ''<content-position>/center'' ] ]
 	Initial: auto
-	Applies to: block containers and grid containers
+	Applies to: all elements
 	Inherited: no
 	Percentages: n/a
 	Media: visual
@@ -1379,7 +1379,7 @@ Block/Cross-Axis Alignment: the 'align-items' property</h3>
 	Name: align-items
 	Value: normal | stretch | <<baseline-position>> | [ <<overflow-position>>? && <<self-position>> ]
 	Initial: normal
-	Applies to: flex containers and grid containers
+	Applies to: all elements
 	Inherited: no
 	Percentages: n/a
 	Media: visual
@@ -1401,7 +1401,7 @@ Self-Alignment Shorthand: the 'place-items' property</h3>
 	Name: place-items
 	Value: [ normal | stretch | <<baseline-position>> | <<self-position>> ] [ auto | normal | stretch | <<baseline-position>> | <<self-position>> ]?
 	Initial: see individual properties
-	Applies to: see individual properties
+	Applies to: all elements
 	Inherited: no
 	Percentages: n/a
 	Media: visual