[css-display-3][css-display-4][editorial] Fixed Bikeshed issues

Author: SebastianZ

css-display-3/Overview.bs

@@ -36,6 +36,7 @@ WPT Display: closed
 </pre>
 <pre class="link-defaults">
 spec:css-align-3; type:value; text:stretch
+spec:css-backgrounds-3; type:property; text:border
 spec:css-break-3; type:dfn; text:fragment;
 spec:css2;
 	type:property; text:overflow;
@@ -1384,13 +1385,14 @@ Display Order: the 'order' property</h2>
 				&lt;li>Mouse
 			&lt;/ul>
 			&lt;img src="images/computer.jpg"
-				alt="You get: a white desktop computer with matching peripherals.">
+				alt="You get: a white desktop computer with matching peripherals."
+				width="250" height="188">
 		&lt;/article>
 		</pre>
 
 		<figure>
 			<div id="order-example">
-				<img src="images/computer.jpg" alt='You get: a white desktop computer with matching keyboard and monitor.'>
+				<img src="images/computer.jpg" alt='You get: a white desktop computer with matching keyboard and monitor.' width="250" height="188">
 				<h1 id=quiet-pubrules-1 style="font-size: 1.4em;">Computer Starter Kit</h1>
 				<p>
 					This is the best computer money can buy,

css-display-4/Overview.bs

@@ -1399,13 +1399,14 @@ Display Order: the 'order' property</h2>
 				&lt;li>Mouse
 			&lt;/ul>
 			&lt;img src="images/computer.jpg"
-				alt="You get: a white desktop computer with matching peripherals.">
+				alt="You get: a white desktop computer with matching peripherals."
+				width="250" height="188">
 		&lt;/article>
 		</pre>
 
 		<figure>
 			<div id="order-example">
-				<img src="images/computer.jpg" alt='You get: a white desktop computer with matching keyboard and monitor.'>
+				<img src="images/computer.jpg" alt='You get: a white desktop computer with matching keyboard and monitor.' width="250" height="188">
 				<h1 id=quiet-pubrules-1 style="font-size: 1.4em;">Computer Starter Kit</h1>
 				<p>
 					This is the best computer money can buy,