admonition and styling update

Author: kmurphypolygon

docs/cdk/concepts/rollup-vs-validium.md

@@ -12,7 +12,8 @@ Within the rollup category, there are further nuances to storing transaction dat
 
 The CDK provides full flexibility to developers to choose what to do with transaction data, including the ability to build rollups that store data on Ethereum as a rollup like the Polygon zkEVM. 
 
-Note: Currently, the rollup mode of Polygon CDK does not support BLOB mode (EIP4844), but this functionality is coming soon.
+!!! note
+    Currently, the rollup mode of Polygon CDK does not support BLOB mode (EIP4844), but this functionality is coming soon.
 
 ## Validiums
 

docs/cdk/index.md

@@ -30,23 +30,23 @@ hide:
    <div class="grid-item">
       <a href="./getting-started">
          <div class="product-list-item-header">
-            <div class="feature-card-heading">Try the CDK Locally</div>
+            <div class="feature-card-heading">Try the CDK locally</div>
          </div>
          <p class="feature-paragraph">Get started by deploying a chain with the CDK on your local machine.</p>
       </a>
    </div>
    <div class="grid-item">
       <a href="./concepts/layer2s">
          <div class="product-list-item-header">
-            <div class="feature-card-heading">CDK Concepts</div>
+            <div class="feature-card-heading">CDK concepts</div>
          </div>
          <p class="feature-paragraph">Learn the concepts behind the CDK.</p>
       </a>
    </div>
     <div class="grid-item">
       <a href="./architecture/cdk-zkevm">
          <div class="product-list-item-header">
-            <div class="feature-card-heading">CDK Architecture</div>
+            <div class="feature-card-heading">CDK architecture</div>
          </div>
          <p class="feature-paragraph">Dive deeper into the components of a CDK chain and how they interact.</p>
       </a>
@@ -62,7 +62,7 @@ hide:
    <div class="grid-item">
       <a href="https://discord.com/invite/0xpolygonRnD" target="_blank">
          <div class="product-list-item-header">
-            <div class="feature-card-heading">Join the Dev Community</div>
+            <div class="feature-card-heading">Join the dev community</div>
          </div>
          <p class="feature-paragraph">Join our developer Discord server to ask questions and get help.</p>
       </a>