[css-text-decor-3] Tweak note markup. No spec prose changes.

Author: fantasai

css-text-decor-3/Overview.bs

@@ -376,7 +376,7 @@ Text Underline Position: the 'text-underline-position' property</h3>
 			underline's position; however it must be placed at or under
 			the alphabetic baseline.
 
-			<p class="note">It is suggested that the default underline position
+			Note: It is suggested that the default underline position
 			be close to the alphabetic baseline,
 			unless that would either cross subscripted (or otherwise lowered) text
 			or draw over glyphs from Asian scripts such as Han or Tibetan
@@ -636,10 +636,13 @@ Determining the Position and Thickness of Line Decorations</h3>
 	or appropriate alphabetic underline position)
 	from the font wherever appropriate.
 
-	<p class="note">Typically, OpenType font metrics give the position of an ''text-underline-position/alphabetic'' underline;
-		in some cases (especially in CJK fonts), it gives the position of a ''under left'' underline.
-		(In this case, the font's underline metrics typically touch the bottom edge of the em box).
-		The UA may but is not required to correct for incorrect font metrics.
+	Note: Typically, OpenType font metrics give the position
+	of an ''text-underline-position/alphabetic'' underline;
+	in some cases (especially in CJK fonts),
+	it gives the position of a ''under left'' underline.
+	(In this case, the font's underline metrics typically
+	touch the bottom edge of the em box).
+	The UA may but is not required to correct for incorrect font metrics.
 
 <h2 id="emphasis-marks">
 Emphasis Marks</h2>
@@ -727,8 +730,7 @@ Emphasis Mark Style: the 'text-emphasis-style' property</h3>
 	is undefined in this level
 	(but may be defined in a future level if definitive use cases arise).
 
-	<p class="note">
-	One example of good fonts for emphasis marks is Adobe's opensource project,
+	Note: One example of good fonts for emphasis marks is Adobe's open source
 	<a href="https://github.com/adobe-fonts/kenten-generic">Kenten Generic OpenType Font</a>,
 	which is specially designed for the emphasis marks.
 
@@ -789,11 +791,10 @@ Emphasis Mark Color: the 'text-emphasis-color' property</h3>
 
 	This property specifies the foreground color of the emphasis marks.
 
-	<p class="note">
-		The ''currentcolor'' keyword computes to itself
-		and is resolved to the value of 'color' after inheritance is performed.
-		This means 'text-emphasis-color' by default matches the text 'color'
-		even as 'color' changes across elements.
+	Note: ''currentcolor'' keyword computes to itself
+	and is resolved to the value of 'color' after inheritance is performed.
+	This means 'text-emphasis-color' by default matches the text 'color'
+	even as 'color' changes across elements.
 
 <h3 id="text-emphasis-property">
 Emphasis Mark Shorthand: the 'text-emphasis' property</h3>
@@ -809,9 +810,9 @@ Emphasis Mark Shorthand: the 'text-emphasis' property</h3>
 	Omitted values are set to their initial values.
 
 	<p class="note">Note that 'text-emphasis-position' is not reset in this
-		shorthand. This is because typically the shape and color vary, but the
-		position is consistent for a particular language throughout the document.
-		Therefore the position should inherit independently.
+	shorthand. This is because typically the shape and color vary, but the
+	position is consistent for a particular language throughout the document.
+	Therefore the position should inherit independently.
 
 <h3 id="text-emphasis-position-property">
 Emphasis Mark Position: the 'text-emphasis-position' property</h3>
@@ -975,9 +976,9 @@ Text Shadows: the 'text-shadow' property</h2>
 	Like 'box-shadow', text shadows do not influence layout, and do not
 	trigger scrolling or increase the size of the <a>scrollable overflow region</a>.
 
-	<p class="note">The painting order of shadows defined here is the opposite
-		of that defined in the 1998
-		<a href="https://www.w3.org/TR/1998/REC-CSS2-19980512">CSS2 Recommendation</a>.
+	Note: The painting order of shadows defined here is the opposite
+	of that defined in the 1998
+	<a href="https://www.w3.org/TR/1998/REC-CSS2-19980512">CSS2 Recommendation</a>.
 
 	The ''text-shadow'' property applies to both the
 	<code>::first-line</code> and <code>::first-letter</code>