fix(curriculum): replace the last comprehension check question for css rule lesson (freeCodeCamp#63845)

Author: pdtrang

curriculum/challenges/english/blocks/lecture-what-is-css/672acbbe2891564c4e316164.md

@@ -180,42 +180,63 @@ Look for the selector that targets all paragraph elements and the property that
 
 ## --text--
 
-Given the following CSS rule, what will be the text size of the targeted HTML element?
+Given the following HTML, which CSS rule correctly sets `h1` and `h2` text color to `green`?
 
-```css
-h1 {
-  color: green;
-  font-size: 24px;
-}
+```html
+<link rel="stylesheet" href="styles.css">
+
+<h1 id="title">Example heading</h1>
+<h2 class="subheading">Example subheading</h2>
+<p>Paragraph element</p>
 ```
 
 ## --answers--
 
-`green`
+```css
+#title
+.subheading {
+  color: green;
+}
+```
 
 ### --feedback--
 
-The value is the specific measurement or setting applied to the property within the declaration block.
+Refer back to the end of the lesson for the correct syntax.
 
 ---
 
-`24px`
+```css
+#title,
+.subheading {
+  color: green;
+}
+```
 
 ---
 
-`16px`
+```css
+.title,
+#subheading {
+  color: green;
+}
+```
 
 ### --feedback--
 
-The value is the specific measurement or setting applied to the property within the declaration block.
+Refer back to the end of the lesson for the correct syntax.
 
 ---
 
-`font-size`
+```css
+#title,
+#subheading {
+  color: green;
+}
+```
 
 ### --feedback--
 
-The value is the specific measurement or setting applied to the property within the declaration block.
+Refer back to the end of the lesson for the correct syntax.
 
 ## --video-solution--