updated review styling

Author: chrisminnick

reactjsfoundations.com/src/Introduction.js

@@ -48,21 +48,50 @@ function Introduction(props) {
         building applications with it."
         />
       </Helmet>
-
+      <p
+        style={{
+          textAlign: 'center',
+          color: '#b4032d',
+          fontSize: '24px',
+          marginBottom: '-10px',
+        }}
+      >
+        &#9733;&#9733;&#9733;&#9733;&#9733;
+      </p>
       <blockquote>
         <strong>
           "It is rare to find it hard to put down a programming book but it is
           the case for me with this one. It should be the textbook for any React
           course and for anyone learning react."
         </strong>
       </blockquote>
+      <p
+        style={{
+          textAlign: 'center',
+          color: '#b4032d',
+          fontSize: '24px',
+          marginBottom: '-10px',
+        }}
+      >
+        &#9733;&#9733;&#9733;&#9733;&#9733;
+      </p>
       <blockquote>
         <strong>
           "This is a wonderfully researched, impeccably written book
           meticulously covering the all the key, core concepts involved in
           developing application with React."
         </strong>
       </blockquote>
+      <p
+        style={{
+          textAlign: 'center',
+          color: '#b4032d',
+          fontSize: '24px',
+          marginBottom: '-10px',
+        }}
+      >
+        &#9733;&#9733;&#9733;&#9733;&#9733;
+      </p>
       <blockquote>
         <strong>
           "The details inside are perfectly explained, organized in perfect