diff --git a/src/components/Layout.vue b/src/components/Layout.vue
index 611d5cb9..e3bcf1e0 100644
--- a/src/components/Layout.vue
+++ b/src/components/Layout.vue
@@ -62,6 +62,7 @@ import StickyComment from './gutters/StickyComment';
 import CurrentDiscussion from './gutters/CurrentDiscussion';
 import FindReplace from './FindReplace';
 import editorSvc from '../services/editorSvc';
+import markdownConversionSvc from '../services/markdownConversionSvc';
 
 export default {
   components: {
@@ -105,6 +106,7 @@ export default {
     saveSelection: () => editorSvc.saveSelection(true),
   },
   created() {
+    markdownConversionSvc.init(); // Needs to be inited before mount
     this.updateBodySize();
     window.addEventListener('resize', this.updateBodySize);
     window.addEventListener('keyup', this.saveSelection);
diff --git a/src/components/common/base.scss b/src/components/common/base.scss
index 7aee98e5..3cf60a5f 100644
--- a/src/components/common/base.scss
+++ b/src/components/common/base.scss
@@ -60,6 +60,10 @@ ol ol {
   margin: 0;
 }
 
+dt {
+  font-weight: bold;
+}
+
 a {
   color: $link-color;
   text-decoration: underline;
diff --git a/src/data/markdownSample.md b/src/data/markdownSample.md
index 889779d3..8f6f6ac1 100644
--- a/src/data/markdownSample.md
+++ b/src/data/markdownSample.md
@@ -15,6 +15,8 @@ Styling
 
 **Strong** __strong__
 
+==Marked text.==
+
 ~~Mistaken text.~~
 
 > Quoted text.
@@ -31,9 +33,12 @@ Lists
 * Item
 + Item
 
-1. Item
-2. Item
-3. Item
+1. Item 1
+2. Item 2
+3. Item 3
+
+- [ ] Incomplete item
+- [x] Complete item
 
 
 Links
@@ -43,6 +48,8 @@ A [link](http://example.com).
 
 An image: ![Alt](img.jpg)
 
+A sized image: ![Alt](img.jpg =60x50)
+
 
 Code
 ---------------------------
@@ -81,9 +88,9 @@ Definition lists
 Markdown
 :  Text-to-HTML conversion tool
 
-Classeur
-:  French translation for "Binder"
-:  A Markdown editing app
+Authors
+:  John
+:  Luke
 
 Footnotes
 ---------------------------
diff --git a/src/services/markdownConversionSvc.js b/src/services/markdownConversionSvc.js
index 1e2dc1a0..01c16c34 100644
--- a/src/services/markdownConversionSvc.js
+++ b/src/services/markdownConversionSvc.js
@@ -3,6 +3,7 @@ import Prism from 'prismjs';
 import MarkdownIt from 'markdown-it';
 import markdownGrammarSvc from './markdownGrammarSvc';
 import extensionSvc from './extensionSvc';
+import utils from './utils';
 
 const htmlSectionMarker = '\uF111\uF222\uF333\uF444';
 const diffMatchPatch = new DiffMatchPatch();
@@ -103,25 +104,23 @@ function hashArray(arr, valueHash, valueArray) {
   return String.fromCharCode.apply(null, hash);
 }
 
-// Default options for the markdown converter and the grammar
-const defaultOptions = {
-  abbr: true,
-  breaks: true,
-  deflist: true,
-  del: true,
-  fence: true,
-  footnote: true,
-  linkify: true,
-  math: true,
-  sub: true,
-  sup: true,
-  table: true,
-  typographer: true,
-  insideFences,
-};
+export default {
+  defaultOptions: null,
+  defaultConverter: null,
+  defaultPrismGrammars: null,
 
-const markdownConversionSvc = {
-  defaultOptions,
+  init() {
+    const defaultProperties = { extensions: utils.computedPresets.default };
+
+    // Default options for the markdown converter and the grammar
+    this.defaultOptions = {
+      ...extensionSvc.getOptions(defaultProperties),
+      insideFences,
+    };
+
+    this.defaultConverter = this.createConverter(this.defaultOptions);
+    this.defaultPrismGrammars = markdownGrammarSvc.makeGrammars(this.defaultOptions);
+  },
 
   /**
    * Creates a converter and init it with extensions.
@@ -270,8 +269,3 @@ const markdownConversionSvc = {
     ).join('');
   },
 };
-
-markdownConversionSvc.defaultConverter = markdownConversionSvc.createConverter(defaultOptions);
-markdownConversionSvc.defaultPrismGrammars = markdownGrammarSvc.makeGrammars(defaultOptions);
-
-export default markdownConversionSvc;
diff --git a/src/services/utils.js b/src/services/utils.js
index b09417f0..a0ffda71 100644
--- a/src/services/utils.js
+++ b/src/services/utils.js
@@ -66,6 +66,7 @@ Object.keys(presets).forEach((key) => {
 });
 
 export default {
+  computedPresets,
   cleanTrashAfter: 7 * 24 * 60 * 60 * 1000, // 7 days
   origin,
   oauth2RedirectUri: `${origin}/oauth2/callback`,