diff --git a/_includes/people_list.html b/_includes/people_list.html
index b5bb50b3a1a81255746f6cdba03a07a0f2cf833e..a8aba69635f5b9810bf5c24348252e35dab7b86b 100644
--- a/_includes/people_list.html
+++ b/_includes/people_list.html
@@ -9,7 +9,7 @@
     {% if rollers.size > 0 %}
         <ul class="collection with-header">
           <li class="collection-header">
-	  <h5>{{role.name}}(s)</h5></li>
+            <h5>{{role.name}}(s)</h5></li>
             {% for person in rollers %}
                 <li class="collection-item avatar">
                     <img src="/{{person.pic}}" alt="" class="circle"/>
diff --git a/_layouts/project.html b/_layouts/project.html
index ebb308052e874e21677fab0d8ddf9f82fc04eb25..ec77ab456c8dd7469527490a4a765a215ab6d172 100644
--- a/_layouts/project.html
+++ b/_layouts/project.html
@@ -82,8 +82,8 @@ layout: default
             {% if page.website %}
                 <div class="card-action">
                   {% if page.website %}
-                  <a target="_blank" href="{{page.website}}">Website</a>
-                  &nbsp;
+                    <a target="_blank" href="{{page.website}}">Website</a>
+                    &nbsp;
                   {% endif %}
                 
                   <a href="https://kwarc.info/{{ page.account }}/publications.html">Publications</a>
diff --git a/_layouts/system.html b/_layouts/system.html
index 3d2a279c82ff2358781106179b897f72f5dd5511..99f714be371f7f5cb4c6123313e6db5d5cdebe78 100644
--- a/_layouts/system.html
+++ b/_layouts/system.html
@@ -43,7 +43,7 @@ layout: default
                     {% if page.repository %}
                         <a target="_blank" href="{{ page.repository }}">Repository</a>
                         &nbsp;
-   		    {% endif %}
+                    {% endif %}
                     <a href="https://kwarc.info/{{ page.account }}/publications.html">Publications</a>
                 </div>
             {% endif %}
diff --git a/projects/mamored.md b/projects/mamored.md
index 963fe739894efa0ba635e26dd807f9c6a2f88ff5..486eee6792e5e01d350895e45a3fc622b8bace13 100644
--- a/projects/mamored.md
+++ b/projects/mamored.md
@@ -12,11 +12,11 @@ people:
     - dmueller
     - frabe
     - tpollinger
-	
+
 collaborators:
-	- Dr. Thomas Koprucki (WIAS Berlin) 
-	- Dr. Karsten Tabelov (WIAS Berlin)
-		
+    - Dr. Thomas Koprucki (WIAS Berlin) 
+    - Dr. Karsten Tabelov (WIAS Berlin)
+
 funding: internal
 ---
 The MaMoReD projects studies whether and how the flexiformalization of mathematical
diff --git a/projects/tetrapod.md b/projects/tetrapod.md
index 2957c8af10c1cfe174a61a585757d6f2dd9e63da..67730487db44240c2fe54447fe79a5ee2efe7dac 100644
--- a/projects/tetrapod.md
+++ b/projects/tetrapod.md
@@ -15,7 +15,7 @@ people:
 collaborators:
     - Prof. William Farmer (McMaster University)
     - Prof. Jacques Carette (McMaster University) 
-		
+
 funding: internal
 ---
 
diff --git a/research/index.md b/research/index.md
index 574589751fa28fc80965e68c847a99bf33074de2..b705e11515eae1f709f3e47c84cf86ce8ec8ead3 100644
--- a/research/index.md
+++ b/research/index.md
@@ -12,9 +12,9 @@ menu_order: 101
 
 
 <table style="border: 1px solid black">
-	<col width="33%"/>
-	<col width="33%"/>
-	<col width="33%"/>
+  <col width="33%"/>
+  <col width="33%"/>
+  <col width="33%"/>
   <tbody>
     <tr style="border: 1px solid black">
       <td colspan="3">