[css-values-4][editorial] Rewrite math function types to a dt

Author: tabatkins

css-values-4/Overview.bs

@@ -3920,20 +3920,33 @@ Type Checking</h3>
 	[=Math functions=] themselves have [=CSSNumericValue/types=],
 	according to their contained [=calculations=]:
 
-	* The [=CSSNumericValue/type=] of a ''calc()'' or ''abs()'' expression
-		is the [=CSSNumericValue/type=] of its contained [=calculation=].
-	* The [=CSSNumericValue/type=] of a
-		''min()'', ''max()'', ''clamp()'', ''hypot()'', ''round()'', ''mod()'', or ''rem()'' expression
-		is the result of [=add two types|adding the types=]
+	: ''calc()''
+	: ''abs()''
+	:: The [=CSSNumericValue/type=] of its contained [=calculation=].
+
+	: ''min()''
+	: ''max()''
+	: ''clamp()''
+	: ''hypot()''
+	: ''round()''
+	: ''mod()''
+	: ''rem()''
+	:: The result of [=add two types|adding the types=]
 		of its comma-separated [=calculations=].
-	* The [=CSSNumericValue/type=] of a ''sign()'' expression
-		is «[ ]» (empty map).
-	* The [=CSSNumericValue/type=] of a ''sin()'', ''cos()'', or ''tan()'' expression
-		is «[ ]» (empty map).
-	* The [=CSSNumericValue/type=] of an ''asin()'', ''acos()'', ''atan()'', or ''atan2()'' expression
-		is «[ ]» (empty map).
-	* The [=CSSNumericValue/type=] of a ''pow()'', ''sqrt()'', ''log()'', or ''exp()'' expression
-		is «[ ]» (empty map).
+
+	: ''sign()''
+	: ''sin()''
+	: ''cos()''
+	: ''tan()''
+	: ''asin()''
+	: ''acos()''
+	: ''atan()''
+	: ''atan2()''
+	: ''pow()''
+	: ''sqrt()''
+	: ''log()''
+	: ''exp()''
+	:: «[ ]» (empty map).
 
 	For each of the above,
 	if the [=CSSNumericValue/type=] is failure,