diff --git a/2020/2020-02-17_IT101-DM/slides/reproducibility.md b/2020/2020-02-17_IT101-DM/slides/reproducibility.md
index 746ff14558c0470166ee3655e900da8993396c45..4e5966e66d907dced48ea11818c52cd4d6b5dfe2 100644
--- a/2020/2020-02-17_IT101-DM/slides/reproducibility.md
+++ b/2020/2020-02-17_IT101-DM/slides/reproducibility.md
@@ -34,7 +34,9 @@
   
 </div>
 </div>
-<img src="slides/img/excel_data-sheet.png" height="350px">
+<div style="text-align:center">
+<img src="slides/img/excel_data-sheet.png" height="280px">
+</div>
 </div>
 
 <div class="fragment">
@@ -47,11 +49,11 @@
   * Flow is visible.
 </div> 
 </div> 
-<img src="slides/img/code-example.png"  height="350px">
+<img src="slides/img/code-example.png"  height="280px">
 </div>
 </div>
 
-<div class="content-box fragment" style="width:70%;margin:0 auto;">
+<div class="content-box fragment" style="left:15%;width:60%;position:relative">
 <div class="box-title green">Develop data science skills</div>
 <div class="content">
 
diff --git a/2020/2020-02-17_IT101-DM/slides/thanks.md b/2020/2020-02-17_IT101-DM/slides/thanks.md
index cb710b5ee7a88f4fe1261f355957910b8c0c2278..e470e5da66db723278672884ded5bb5100a54690 100644
--- a/2020/2020-02-17_IT101-DM/slides/thanks.md
+++ b/2020/2020-02-17_IT101-DM/slides/thanks.md
@@ -11,7 +11,11 @@ Contact us if you need help:
 </center>
 
 Links:
+
 HowTo cards: https://howto.lcsb.uni.lu/
+
 HPC: https://hpc.uni.lu/
+
 LCSB GitLab: https://git-r3lab.uni.lu/
+
 Service Portal: https://service.uni.lu/sp
diff --git a/2020/2020-03-12_IT101-DM/slides/reproducibility.md b/2020/2020-03-12_IT101-DM/slides/reproducibility.md
index 746ff14558c0470166ee3655e900da8993396c45..4e5966e66d907dced48ea11818c52cd4d6b5dfe2 100644
--- a/2020/2020-03-12_IT101-DM/slides/reproducibility.md
+++ b/2020/2020-03-12_IT101-DM/slides/reproducibility.md
@@ -34,7 +34,9 @@
   
 </div>
 </div>
-<img src="slides/img/excel_data-sheet.png" height="350px">
+<div style="text-align:center">
+<img src="slides/img/excel_data-sheet.png" height="280px">
+</div>
 </div>
 
 <div class="fragment">
@@ -47,11 +49,11 @@
   * Flow is visible.
 </div> 
 </div> 
-<img src="slides/img/code-example.png"  height="350px">
+<img src="slides/img/code-example.png"  height="280px">
 </div>
 </div>
 
-<div class="content-box fragment" style="width:70%;margin:0 auto;">
+<div class="content-box fragment" style="left:15%;width:60%;position:relative">
 <div class="box-title green">Develop data science skills</div>
 <div class="content">
 
diff --git a/2020/2020-03-12_IT101-DM/slides/thanks.md b/2020/2020-03-12_IT101-DM/slides/thanks.md
index cb710b5ee7a88f4fe1261f355957910b8c0c2278..e470e5da66db723278672884ded5bb5100a54690 100644
--- a/2020/2020-03-12_IT101-DM/slides/thanks.md
+++ b/2020/2020-03-12_IT101-DM/slides/thanks.md
@@ -11,7 +11,11 @@ Contact us if you need help:
 </center>
 
 Links:
+
 HowTo cards: https://howto.lcsb.uni.lu/
+
 HPC: https://hpc.uni.lu/
+
 LCSB GitLab: https://git-r3lab.uni.lu/
+
 Service Portal: https://service.uni.lu/sp