diff --git a/documentation/_static/css/custom.css b/documentation/_static/css/custom.css
index 9cd328ec0..aa1e39f1e 100644
--- a/documentation/_static/css/custom.css
+++ b/documentation/_static/css/custom.css
@@ -1,3 +1,7 @@
+div section {
+    text-align: justify;
+}
+
 div .toctree-wrapper > ul {
     column-count: 2;
     margin: 0;
diff --git a/documentation/conf.py b/documentation/conf.py
index 3de35eee8..e6d727873 100644
--- a/documentation/conf.py
+++ b/documentation/conf.py
@@ -116,6 +116,7 @@
 # relative to this directory. They are copied after the builtin _static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ["_static"]
+html_css_files = ["css/custom.css"]
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
@@ -223,4 +224,3 @@ def setup(sphinx_app):
         "live",
         "env",  # hard-coded, documentation is not server-specific for the time being
     )
-    sphinx_app.add_css_file("css/custom.css")