[css-backgrounds-4][editorial] Fixed Bikeshed issues

Author: SebastianZ

css-backgrounds-4/Overview.bs

@@ -21,19 +21,21 @@ WPT Display: closed
 </pre>
 
 <pre class="link-defaults">
-spec:css-text-4; type:value; text:collapse
+spec:css-borders-4; type:property;
+	text:border
+	text:border-color
+	text:border-image
+	text:border-radius
+	text:border-style
+	text:border-width
+	text:box-shadow
+spec:css-box-4; type:dfn; text:content area
+spec:css-display-4; type:property; text:display
 spec:css-shapes-2; type:function; text:path()
-spec:css-borders-4;
-	type:property; text:border
-	type:property; text:border-color
-	type:property; text:border-image
-	type:property; text:border-radius
-	type:property; text:border-style
-	type:property; text:border-width
-	type:property; text:box-shadow
+spec:css-text-4; type:value; text:collapse
 spec:css2; type:dfn; text:viewport
 spec:html; type:element; text:body
-spec:css3-exclusions; type:dfn; text:content area
+spec:selectors-4; type:dfn; text:pseudo-elements
 </pre>
 
 <link rel="stylesheet" href="style.css" />
@@ -1452,7 +1454,7 @@ Sizing Images: the 'background-size' property</h3>
 	The property's value is given as a comma-separated list
 	of <<bg-size>> values where
 
-	<pre class=prod><dfn><<bg-size>></dfn> = [ <<length-percentage [0,&infin;]>> | auto ]{1,2} | cover | contain</pre>
+	<pre class=prod><dfn><<bg-size>></dfn> = [ <<length-percentage [0,∞]>> | auto ]{1,2} | cover | contain</pre>
 
 	Values have the following meanings:
 
@@ -1469,7 +1471,7 @@ Sizing Images: the 'background-size' property</h3>
 			to the smallest size such that both its width and its height
 			can completely cover the [=background positioning area=].
 
-		<dt>[ <dfn><<length-percentage [0,&infin;]>></dfn>
+		<dt>[ <dfn><<length-percentage [0,∞]>></dfn>
 			| <dfn>auto</dfn> ]{1,2}</dt>
 		<dd>
 			The first value gives the width of the corresponding image,