diff --git a/slides/config.toml b/slides/config.toml
index 0601d22..1ab69dc 100644
--- a/slides/config.toml
+++ b/slides/config.toml
@@ -1,6 +1,6 @@
 baseURL = 'https://atedeg.dev/mdm-dt/'
 languageCode = 'en-us'
-title = 'My New Hugo Site'
+title = 'MDM Pervasive Computing'
 
 theme = "reveal-hugo"
 
@@ -11,9 +11,13 @@ slide_number = true
 width = "1440"
 height = "900"
 
+[markup.highlight]
+codeFences = false
+style = "github"
+
 [params.reveal_hugo.custom_theme_options]
-  targetPath = "css/custom-theme.css"
-  enableSourceMap = true
+targetPath = "css/custom-theme.css"
+enableSourceMap = true
 
 [markup.goldmark.renderer]
 unsafe = true
diff --git a/slides/content/_index.md b/slides/content/_index.md
index a857900..67965f6 100644
--- a/slides/content/_index.md
+++ b/slides/content/_index.md
@@ -40,28 +40,24 @@ The project models the business processes of the _Mambelli_ cheese factory so th
 
 One of the main problems in the industry is the lack of interoperability between different machines and systems.
 
-{{< container >}}
+{{% container %}}
 
-{{< column >}}
+{{% column %}}
 
-<ul>
-<li>Different manufacturers creates their own <b>protocols</b> and <b>formats</b></li>
-<li>Interoperability and integration occurs via an <b>agreements</b> between the different parties</li>
-<li>The <b>interoperability</b> problem is not perceived as a problem by the entrepreneur</li>
-</ul>
+- Different manufacturers creates their own **protocols** and **formats**
+- Interoperability and integration occurs via an **agreements** between the different parties
+- The **interoperability** problem is not perceived as a problem by the entrepreneur
 
-<p>
-The <b>Industry 4.0</b> try to arginate this problem forcing the companies to reach a certain degree of integration and interoperability.
-</p>
+The **Industry 4.0** try to arginate this problem forcing the companies to reach a certain degree of integration and interoperability.
 
-{{< /column >}}
-{{< column >}}
+{{% /column %}}
+{{% column %}}
 
 {{< figure src="img/interoperability.png" caption="Interoperability attention in industrial sectors. [[1]](https://www.sciencedirect.com/science/article/pii/S2405896317317615)" >}}
 
-{{< /column >}}
+{{% /column %}}
 
-{{< /container >}}
+{{% /container %}}
 
 ---
 {{% section %}}
@@ -204,3 +200,21 @@ contexts:
 # Context Map
 
 {{< figure src="img/context-map.png" >}}
+
+---
+
+{{% section %}}
+
+# Digital Twin Models
+
+---
+
+# Milk Tank Model
+
+{{< mermaid >}}
+graph LR
+    A --> B
+    B --> C
+{{< /mermaid >}}
+
+{{% /section %}}
diff --git a/slides/layouts/shortcodes/column.html b/slides/layouts/shortcodes/column.html
index d750bd7..c37e935 100644
--- a/slides/layouts/shortcodes/column.html
+++ b/slides/layouts/shortcodes/column.html
@@ -1 +1,2 @@
+{{ $_hugo_config := `{ "version": 1 }` }}
 <div class="col">{{ .Inner }}</div>
\ No newline at end of file
diff --git a/slides/layouts/shortcodes/container.html b/slides/layouts/shortcodes/container.html
index 001cd22..7b0fd7c 100644
--- a/slides/layouts/shortcodes/container.html
+++ b/slides/layouts/shortcodes/container.html
@@ -1,3 +1,4 @@
+{{ $_hugo_config := `{ "version": 1 }` }}
 <div class="multiCol">
     {{ .Inner }}
 </div>
\ No newline at end of file