diff --git a/public/home/chapters/04_nachhaltig.html b/public/home/chapters/04_nachhaltig.html
index b63b7c0c5daee0c328cb02ce85946523d6ec93a8..4ac790290107d0303b699f39b6fc3109d777dfae 100644
--- a/public/home/chapters/04_nachhaltig.html
+++ b/public/home/chapters/04_nachhaltig.html
@@ -21,7 +21,8 @@
             rgb(255,255,255);
             background: linear-gradient(180deg, rgba(255,255,255,1) 0%,rgba(255,255,255,1) 60%, rgba(255,255,255,0)
             100%);">
-            <h1 style="width:100%;"><span style="text-align:left;"><a href="../index.html">&bullet;</a></span>
+            <h1 style="width:100%;font-size:2.5rem; line-height:1.2; margin-top:0;">
+                <span style="text-align:left;"><a href="../index.html">&bullet;</a></span>
                 <span style="text-align:right; font-size: 0.7em; float:right;margin-top: 0.3em; margin-right:1em;"
                     class="Ch_header">4 NACHHALTIG IM QUARTIER</span>
             </h1>
@@ -37,7 +38,7 @@
             </div> -->
 
 
-            <div class="row">
+            <div class="row chapter">
                 <!-- <div class="col-sm-1 p-1" style="height:0px;padding-top:0px !important;padding-bottom:0px !important;">
                 </div> -->
                 <div class="col-sm-6 p-6 ">
@@ -209,7 +210,7 @@
             </div>
 
 
-            <div class="row">
+            <div class="row chapter">
 
                 <div class="col-sm-6 p-6 ">
                     <h5>Landwirtschaft in der Stadt</h5>
@@ -376,7 +377,7 @@
             </div>
 
 
-            <div class="row">
+            <div class="row chapter">
                 <div class="col-sm-6 p-6">
                 </div>
 
@@ -389,7 +390,7 @@
                     <p style="font-size:smaller">Casazza, Chiara / Gallo, Paola / Sala, Marco (2016): Performances and
                         potential of a productive urban green infrastructure, in: TECHNE – Journal of Technology for
                         Architecture and Environment, Vol. 11, Firenze, S. 104-112, DOI:
-                        https://doi.org/10.13128/Techne-18408</p>   
+                        https://doi.org/10.13128/Techne-18408</p>    
                     <p style="font-size:smaller">CityDoctor (2022): CityDoctor, Website CityDoctor,
                         https://www.citydoctor.eu/ (zugegriffen am 15.05.2022)</p>
                     <p style="font-size:smaller">FAO (2022): Aqua Crop, Website Food and Agriculture Organization of the
@@ -404,11 +405,11 @@
                         https://simstadt.hft-stuttgart.de/ (zugegriffen am 09.05.2022) </p>
                     <p style="font-size:smaller">Proksch, Gundula (2011): Urban Rooftops as Productive Resources.
                         Rooftop Farming versus Conventional Green Roofs, in: ARCC 2011 Conference «Considering Research:
-                        Reflecting upon current themes in Architectural Research”, DOI: https://doi.org/10.17831/rep:arcc%25y358    </p>
+                        Reflecting upon current themes in Architectural Research”, DOI: https://doi.org/10.17831/rep:arcc%25y358     </p>
                     <p style="font-size:smaller">Proksch, Gundula (2011): Urban Rooftops as Productive
                         Resources. Rooftop Farming versus Conventional Green Roofs, in: ARCC 2011 Conference
                         «Considering Research: Reflecting upon current themes in Architectural Research”, DOI:
-                        https://doi.org/10.17831/rep:arcc%25y358    </p>
+                        https://doi.org/10.17831/rep:arcc%25y358     </p>
 
                 </div>