diff --git a/amanuensis/resources/page.css b/amanuensis/resources/page.css
index 1c6ef48..29c80fb 100644
--- a/amanuensis/resources/page.css
+++ b/amanuensis/resources/page.css
@@ -104,7 +104,7 @@ div.citeblock a.phantom {
 span.signature {
 	text-align: right;
 }
-textarea#configText {
+textarea.fullwidth {
 	resize: vertical;
 	width: 100%;
 	box-sizing: border-box;
diff --git a/amanuensis/templates/lexicon/settings.html b/amanuensis/templates/lexicon/settings.html
index f8c6407..08002a7 100644
--- a/amanuensis/templates/lexicon/settings.html
+++ b/amanuensis/templates/lexicon/settings.html
@@ -4,7 +4,7 @@
 {% block main %}
 <form action="" method="post" novalidate>
 	{{ form.hidden_tag() }}
-	<p>{{ form.configText.label }}<br>{{ form.configText(rows=20) }}</p>
+	<p>{{ form.configText.label }}<br>{{ form.configText(rows=20, class_="fullwidth") }}</p>
 	<p>{{ form.submit() }}</p>
 </form>
 {% for message in get_flashed_messages() %}