[css-cascade-3] Bikeshed improvements related to property values (#142)…

… (#225)

css-cascade-3/Overview.bs

@@ -212,35 +212,10 @@ h1 {
 <h3 id="all-shorthand">
 Resetting All Properties: the 'all' property</h3>
 
-	<table class="propdef">
-		<tr>
-			<th>Name:
-			<td><dfn>all</dfn>
-		<tr>
-			<th>Value:
-			<td>initial | inherit | unset
-		<tr>
-			<th>Initial:
-			<td>See individual properties
-		<tr>
-			<th>Applies to:
-			<td>See individual properties
-		<tr>
-			<th>Inherited:
-			<td>See individual properties
-		<tr>
-			<th>Percentages:
-			<td>See individual properties
-		<tr>
-			<th>Media:
-			<td>See individual properties
-		<tr>
-			<th>Computed value:
-			<td>See individual properties
-		<tr>
-			<th>Animatable:
-			<td>See individual properties
-	</table>
+	<pre class="propdef shorthand">
+	Name: all
+	Value: initial | inherit | unset
+	</pre>
 
 	The 'all' property is a <a>shorthand</a> that resets <em>all</em> CSS properties
 	except 'direction' and 'unicode-bidi'.