diff --git a/2019/2019-06-11_gitTraining/slides/best_practices.md b/2019/2019-06-11_gitTraining/slides/best_practices.md
index 8c7f524bec573b3c9b983d8b67e047c5c2017567..63c851741e6196ca01e129708adb3ed494c38807 100644
--- a/2019/2019-06-11_gitTraining/slides/best_practices.md
+++ b/2019/2019-06-11_gitTraining/slides/best_practices.md
@@ -1,4 +1,4 @@
-## Best practices
+# Best practices
 
 * `pull` before `push`
 
diff --git a/2019/2019-06-11_gitTraining/slides/branches.md b/2019/2019-06-11_gitTraining/slides/branches.md
index d864042c7edf7bcec8f01bfc1920eb71e9ac7f6c..0c91358cb047d118836dd31d9e93cf8655f06601 100644
--- a/2019/2019-06-11_gitTraining/slides/branches.md
+++ b/2019/2019-06-11_gitTraining/slides/branches.md
@@ -1,4 +1,4 @@
-## Development scheme
+# Development scheme
 
 
 Generally, in a repository, there are guidelines for contributing.
@@ -26,7 +26,7 @@ A **version** of the code is referred to as a **branch**.
 
 
 
-## Branches
+# Branches
 
 A **version** of the code (i.e., a **branch**) is made up of a sequence of code changes.
 
@@ -40,7 +40,7 @@ For instance, the `master` and `develop` branches can be represented as a timeli
 
 
 
-## Switch between branches
+# Switch between branches
 
 List all branches of the repository with
 ```bash
@@ -70,7 +70,7 @@ If the local branch does not exist but the remote does, it is created automatica
 
 
 
-## Create your own version
+# Create your own version
 
 Assume that you want to work on a file:
 
diff --git a/2019/2019-06-11_gitTraining/slides/cloneRepo.md b/2019/2019-06-11_gitTraining/slides/cloneRepo.md
index 788536d5cc1798eaea98db8293fded8c483512d3..887a6e087e73a14ef7ad3790f9e7d0d67ce04b14 100644
--- a/2019/2019-06-11_gitTraining/slides/cloneRepo.md
+++ b/2019/2019-06-11_gitTraining/slides/cloneRepo.md
@@ -1,4 +1,4 @@
-## How do I start working on a repository?
+# How do I start working on a repository?
 
 You have to `clone` it first:
 
diff --git a/2019/2019-06-11_gitTraining/slides/configuration.md b/2019/2019-06-11_gitTraining/slides/configuration.md
index b740a6a8703e37977aea0e84e625546542e3e4f7..0b07cc4185a35481545f81af5e0f4d8fbc3de063 100644
--- a/2019/2019-06-11_gitTraining/slides/configuration.md
+++ b/2019/2019-06-11_gitTraining/slides/configuration.md
@@ -1,4 +1,4 @@
-## How to configure `git`?
+# How to configure `git`?
 
 ```bash
 $ git config --global user.name "Firstname Lastname"
@@ -17,7 +17,7 @@ Exit by typing `q`.
 
 
 
-## What is an SSH key?
+# What is an SSH key?
 
 An SSH key is a secure access credential.
 
@@ -26,7 +26,7 @@ Communicate **securely** with Github/Gitlab **without** entering the username/pa
 
 
 
-## How do I get and set my SSH key?
+# How do I get and set my SSH key?
 
 Check if you already have an SSH key:
 
diff --git a/2019/2019-06-11_gitTraining/slides/essential_commands.md b/2019/2019-06-11_gitTraining/slides/essential_commands.md
index f10dc08e62278f60153ad82c4d3272c8a787070f..0fa56f47884b92c3b64762cf696fed6f7a014b7b 100644
--- a/2019/2019-06-11_gitTraining/slides/essential_commands.md
+++ b/2019/2019-06-11_gitTraining/slides/essential_commands.md
@@ -1,4 +1,4 @@
-## The 5 essential commands
+# The 5 essential commands
 
 
 **Yes**, you only need 5 commands!
@@ -16,7 +16,7 @@ $ git push <remote> <branch>
 
 
 
-## Pull the latest version of an existing branch
+# Pull the latest version of an existing branch
 
 Pull the latest revision on branch `myBranch`:
 ```bash
@@ -33,7 +33,7 @@ $ git status
 
 
 
-## Modify a file
+# Modify a file
 
 Copy the file `template.md` in the folder `_attendees` and rename it with your firstname:
 
@@ -46,7 +46,7 @@ Then, make your changes with your favorite editor!
 
 
 
-## Add your file to the stage
+# Add your file to the stage
 
 First, check the repository status
 ```bash
@@ -74,7 +74,7 @@ exit with `q`
 
 
 
-## Add a commit message
+# Add a commit message
 
 ```bash
 $ git commit -m "Add the profile of <myName>"
@@ -83,7 +83,7 @@ $ git status
 
 
 
-## Push your file to your fork
+# Push your file to your fork
 
 ```bash
 $ git push origin myBranch
diff --git a/2019/2019-06-11_gitTraining/slides/forks.md b/2019/2019-06-11_gitTraining/slides/forks.md
index e3cec61f6c1fb2447439bf8080dddad92e82aa5a..3a4f61cd17127ecdde35fe52154da3d65b0a94bf 100644
--- a/2019/2019-06-11_gitTraining/slides/forks.md
+++ b/2019/2019-06-11_gitTraining/slides/forks.md
@@ -1,18 +1,17 @@
-
-## What is a `fork`?
+# What is a `fork`?
 
 <img src="slides/img/fork.jpg" class="as-is" height="500em"/>
 <!--http://www.cndajin.com/data/wls/246/22302193.jpg-->
 
 
 
-## Not really ...
+# Not really ...
 
 <img src="slides/img/fork-crossed.png" class="as-is" height="500em"/>
 
 
 
-## What is a `fork`?
+# What is a `fork`?
 
 In general, when contributing to a repository, you only have **read** access.
 
@@ -26,7 +25,7 @@ In other words, you have to work on your own <font color="red">**fork**</font>.
 
 
 
-## How to get a fork?
+# How to get a fork?
 
 Browse to the original repository and click on the button `Fork`:
 
@@ -36,7 +35,7 @@ Browse to the original repository and click on the button `Fork`:
 
 
 
-## Time to practice!
+# Time to practice!
 
 Fork the practice repository: <br><br>
 https://github.com/LCSB-BioCore/basic-git-practice
@@ -56,7 +55,7 @@ $ cd basic-git-practice
 
 
 
-## A note on shortcuts ...
+# A note on shortcuts ...
 
 <font color="red">
 Any other rudimentary method such as
@@ -70,7 +69,7 @@ shall **be avoided**!
 
 
 
-## How to update my fork?
+# How to update my fork?
 
 As you have your own fork, it will not automatically update once the original repository is update.
 
diff --git a/2019/2019-06-11_gitTraining/slides/github_gitlab.md b/2019/2019-06-11_gitTraining/slides/github_gitlab.md
index 0b988f0fa4306cf9fd2e86e006a5a85e22254d34..84930c3922e96a6f2bb75d3ed85881aa19c2e2de 100644
--- a/2019/2019-06-11_gitTraining/slides/github_gitlab.md
+++ b/2019/2019-06-11_gitTraining/slides/github_gitlab.md
@@ -1,4 +1,4 @@
-## GitHub and GitLab
+# GitHub and GitLab
 
 <img src="https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png" alt="GitHub" style="width: 200px;"/>
 <img src="https://gitlab.com/gitlab-com/gitlab-artwork/raw/master/logo/logo-extra-whitespace.png" alt="GitLab" style="width: 200px;"/>
diff --git a/2019/2019-06-11_gitTraining/slides/index.md b/2019/2019-06-11_gitTraining/slides/index.md
index 8985d5b2c0226a203d151ea1805c86f0e80781ff..a2726fc450ceafef47b4ad4f7b56bdc0319902d3 100644
--- a/2019/2019-06-11_gitTraining/slides/index.md
+++ b/2019/2019-06-11_gitTraining/slides/index.md
@@ -1,6 +1,6 @@
-## R3.school
-<br><br>
-#### June 11th, 2019
+# R3.school
+
+## June 11th, 2019
 
 <div style="top: 6em; left: 0%; position: absolute;">
     <img src="theme/img/lcsb_bg.png">
@@ -8,8 +8,8 @@
 
 <div style="top: 5em; left: 60%; position: absolute;">
     <img src="slides/img/r3-training-logo.png" height="200px">
-    <br><br><br><br>
-    <h3>git training for absolute beginners</h3>
+    <br><br><br>
+    <h1>git training for absolute beginners</h1>
     <br><br><br><br>
     <h4>
         Laurent Heirendt, Ph.D.<br><br>
diff --git a/2019/2019-06-11_gitTraining/slides/installation.md b/2019/2019-06-11_gitTraining/slides/installation.md
index 8d9c0d24b597a680332201d0b3a8e589455b542d..506be614073e67dd22fc042230ccb1eb236a9792 100644
--- a/2019/2019-06-11_gitTraining/slides/installation.md
+++ b/2019/2019-06-11_gitTraining/slides/installation.md
@@ -1,4 +1,4 @@
-## Installation of `git`
+# Installation of `git`
 
 <img src="slides/img/github_app.png" class="as-is" height="200" />
 
@@ -20,7 +20,7 @@ $ sudo apt-get install git-all
 
 
 
-## How to get started?
+# How to get started?
 
 **macOS**
 
diff --git a/2019/2019-06-11_gitTraining/slides/merge.md b/2019/2019-06-11_gitTraining/slides/merge.md
index 6fc254c04b9cbc8e89f65e842eddb4d2db1ff195..5b59e684ec66bb668ce48a929608f4de6f238807 100644
--- a/2019/2019-06-11_gitTraining/slides/merge.md
+++ b/2019/2019-06-11_gitTraining/slides/merge.md
@@ -1,4 +1,4 @@
-## Pull and merge requests
+# Pull and merge requests
 
 If you want your changes to be reflected on the `develop` or `master` branches,
 **submit a PR** via the Github interface.
diff --git a/2019/2019-06-11_gitTraining/slides/overview.md b/2019/2019-06-11_gitTraining/slides/overview.md
index 1cbf68c55a033e8045ef57984300d8e4b2d84d58..569ee3789fd8f0a16e39ac938b9f7c5764adce04 100644
--- a/2019/2019-06-11_gitTraining/slides/overview.md
+++ b/2019/2019-06-11_gitTraining/slides/overview.md
@@ -1,4 +1,4 @@
-## Overview
+# Overview
 
 1. **PART I**: Quality of computer code.
 2. **PART II**: Basic git course
diff --git a/2019/2019-06-11_gitTraining/slides/qualityCode.md b/2019/2019-06-11_gitTraining/slides/qualityCode.md
index d81e2f0d7388f491c11e0612a91f773ee6af0b17..1cc539a1162524f2c56a6b38cc648deca2dd08c7 100644
--- a/2019/2019-06-11_gitTraining/slides/qualityCode.md
+++ b/2019/2019-06-11_gitTraining/slides/qualityCode.md
@@ -1,4 +1,4 @@
-## Quality of computer code is relevant for everyone.
+# Quality of computer code is relevant for everyone.
 
 `This does not concern me – I am only writing documentation or a script for generating a figure that I want to publish!`
 [Anonymous researcher]
@@ -19,7 +19,7 @@
 
 
 
-## Attributes of high-quality computer code
+# Attributes of high-quality computer code
 
 **Quality** of computer code can be seen as a **group of various attributes**.
 
diff --git a/2019/2019-06-11_gitTraining/slides/repro_crisis.md b/2019/2019-06-11_gitTraining/slides/repro_crisis.md
index 1fafdc6a689692e290c9f8dcd4f070ce4402c1f7..8e411c3b8a50de544cdc79ab423a97f97d0407af 100644
--- a/2019/2019-06-11_gitTraining/slides/repro_crisis.md
+++ b/2019/2019-06-11_gitTraining/slides/repro_crisis.md
@@ -1,4 +1,4 @@
-## Reproducibility crisis
+# Reproducibility crisis
 
 <div align="center">
 <img src="slides/img/reproCrisis.png">
diff --git a/2019/2019-06-11_gitTraining/slides/syncFork.md b/2019/2019-06-11_gitTraining/slides/syncFork.md
index 79b6f93eccdd241adcd5fc65d4f4491effcac66c..a908869569972adac700f623ec73566b8af5d90c 100644
--- a/2019/2019-06-11_gitTraining/slides/syncFork.md
+++ b/2019/2019-06-11_gitTraining/slides/syncFork.md
@@ -1,4 +1,4 @@
-## Synchronize your fork
+# Synchronize your fork
 
 ![bulb](slides/img/bulb.png) Remember, we have to regularly update our own copy of the code.
 
diff --git a/2019/2019-06-11_gitTraining/slides/thanks.md b/2019/2019-06-11_gitTraining/slides/thanks.md
index 0f36cde75b96379ad2672c83fc36b088c221be82..9f1d826bb46c503b32d1f228512970e726c00618 100644
--- a/2019/2019-06-11_gitTraining/slides/thanks.md
+++ b/2019/2019-06-11_gitTraining/slides/thanks.md
@@ -1,4 +1,4 @@
-## Let's refresh our memories
+# Let's refresh our memories
 
 <div class="fragment">
 
@@ -22,7 +22,7 @@
 
 
 
-## References & Cheat sheet
+# References & Cheat sheet
 
 [1]: Git Book: https://git-scm.com/book/en/v2
 
@@ -32,7 +32,7 @@
 
 
 
-## Thank you.
+# Thank you.
 
 <img src="slides/img/r3-training-logo.png" height="200px">
 
diff --git a/2019/2019-06-11_gitTraining/slides/the_editor.md b/2019/2019-06-11_gitTraining/slides/the_editor.md
index 8bb979a8efb5e184854941794b9dbabf00ea7f43..bca1b494ce0faed1f5806db841240fd513467d0d 100644
--- a/2019/2019-06-11_gitTraining/slides/the_editor.md
+++ b/2019/2019-06-11_gitTraining/slides/the_editor.md
@@ -1,4 +1,4 @@
-## The editor(s)
+# The editor(s)
 
 Recommended editors:
 
diff --git a/2019/2019-06-11_gitTraining/slides/the_terminal.md b/2019/2019-06-11_gitTraining/slides/the_terminal.md
index cc5f516412582a14f9cfece3ae1860d342b7afe2..32e9979c1fc4d3eeb5286280c4b132bcb4fba8d5 100644
--- a/2019/2019-06-11_gitTraining/slides/the_terminal.md
+++ b/2019/2019-06-11_gitTraining/slides/the_terminal.md
@@ -1,10 +1,10 @@
-## PART II
+# PART II
 
 <br><br><h1>Basic git course</h1>
 
 
 
-## The terminal (shell)
+# The terminal (shell)
 
 **macOS users:**
 
@@ -23,7 +23,7 @@ Launch default terminal.<br>
 
 
 
-## First steps in the terminal
+# First steps in the terminal
 
 Starting the terminal presents itself with a line where you can enter a command
 ```bash
@@ -40,7 +40,7 @@ in your home directory (unless otherwise configured), denoted as `~/`.
 
 
 
-## Essential Linux commands
+# Essential Linux commands
 
 List the contents of a directory
 ```bash
diff --git a/2019/2019-06-11_gitTraining/slides/what_is_git.md b/2019/2019-06-11_gitTraining/slides/what_is_git.md
index 0517919a7fa679d19b9ad7d8ec13ad38ea03f8b0..973cc0593ed0b3b993e870f74c9e0794301e278e 100644
--- a/2019/2019-06-11_gitTraining/slides/what_is_git.md
+++ b/2019/2019-06-11_gitTraining/slides/what_is_git.md
@@ -1,4 +1,4 @@
-## What is `git`?
+# What is `git`?
 
 <!-- ![](slides/img/git_definition.png) -->
 
@@ -14,7 +14,7 @@ Designed and implemented in 2005 by **Linus Torvalds**
 
 
 
-## The inventor of `git`
+# The inventor of `git`
 
 <div align="center">
 <img src="slides/img/git_definition.png">
@@ -26,7 +26,7 @@ Linus Torvald (2007-06-14)
 
 
 
-## What is the use of `git`?
+# What is the use of `git`?
 
 * No need to fully rewrite code; **reuse code** and **save time**
 * Keep the changes you made over time (**history**)
diff --git a/2019/2019-06-11_gitTraining/slides/whatiscode.md b/2019/2019-06-11_gitTraining/slides/whatiscode.md
index c3756f148d43e8e29b06c23d80bf03482d599dc8..8a7ec810845093821daaaba558c5c1fe777500c1 100644
--- a/2019/2019-06-11_gitTraining/slides/whatiscode.md
+++ b/2019/2019-06-11_gitTraining/slides/whatiscode.md
@@ -1,4 +1,4 @@
-## What is computer code?
+# What is computer code?
 
 **Computer code**: Set of instructions executed by a computer
 
diff --git a/2019/2019-06-11_gitTraining/slides/wheel.md b/2019/2019-06-11_gitTraining/slides/wheel.md
index a961a32778000d900832a0333e28037e8683a9f8..789873bca8091e220bf2f81085af88a9ccd66953 100644
--- a/2019/2019-06-11_gitTraining/slides/wheel.md
+++ b/2019/2019-06-11_gitTraining/slides/wheel.md
@@ -1,11 +1,11 @@
-## PART I
+# PART I
 
 <br><br><h1>Quality of computer code.</h1><br>
 <h1>Should you care? What if you didn't?</h1>
 
 
 
-## A true story ...
+# A true story ...
 
 <div align="center">
 <img src="slides/img/wheel.png">
diff --git a/2019/2019-06-11_gitTraining/slides/whyCare.md b/2019/2019-06-11_gitTraining/slides/whyCare.md
index f763e142c16007d30f31a96be2b0dbc8d7d3706f..75d3c6b492993927a4d793c470fe5a2996a2f721 100644
--- a/2019/2019-06-11_gitTraining/slides/whyCare.md
+++ b/2019/2019-06-11_gitTraining/slides/whyCare.md
@@ -1,4 +1,4 @@
-## Why you should care (1)
+# Why you should care (1)
 
 <div align="center">
 <video width="40%" controls>
@@ -18,7 +18,7 @@ Ariane 5 launched with the same software as Ariane 4 - **the code had not been t
 
 
 
-## Why you should care (2)
+# Why you should care (2)
 
 <div align="center">
 <img src="slides/img/therac.png">