removed code block, fixed image background

content/rancher/v2.x/en/installation/requirements/_index.md

@@ -72,7 +72,8 @@ Each node used (either for the Single Node Install, High Availability (HA) Insta
 
 When deploying Rancher in an HA cluster, certain ports on your nodes must be open to allow communication with Rancher. The ports that must be open change according to the type of machines hosting your cluster nodes. For example, if your are deploying Rancher on nodes hosted by an infrastructure, port `22` must be open for SSH. The following diagram depicts the ports that are opened for each [cluster type]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning).
 
-<sup>Cluster Type Port Requirements</sup>
+<figcaption>Cluster Type Port Requirements</figcaption>
+
 ![Basic Port Requirements]({{< baseurl >}}/img/rancher/port-communications.svg)
 
 

layouts/shortcodes/ports_aws_securitygroup_nodedriver.html

@@ -1,6 +1,6 @@
-    <h3 id="amazonec2-securitygroup-nodedriver">Amazon EC2 security group when using Node Driver</h3>
-    <p>If you are <a href="/docs/rancher/v2.x/en/cluster-provisioning/rke-clusters/node-pools/ec2/">Creating an Amazon EC2 Cluster</a>, you can choose to let Rancher create a Security Group called <code>rancher-nodes</code>. The following rules are automatically added to this Security Group.
-    </p>
+<h3 id="amazonec2-securitygroup-nodedriver">Amazon EC2 security group when using Node Driver</h3>
+<p>If you are <a href="/docs/rancher/v2.x/en/cluster-provisioning/rke-clusters/node-pools/ec2/">Creating an Amazon EC2 Cluster</a>, you can choose to let Rancher create a Security Group called <code>rancher-nodes</code>. The following rules are automatically added to this Security Group.
+</p>
 <div>	
 	<p><strong>Security group: rancher-nodes</strong></p>
 	<h4>Inbound rules</h4>