diff --git a/p/themes/base-theme/template.css b/p/themes/base-theme/template.css
index e5332f8a4..e0c7bd74e 100644
--- a/p/themes/base-theme/template.css
+++ b/p/themes/base-theme/template.css
@@ -295,13 +295,8 @@ td.numeric {
 	display: none !important;
 }
 
-/* login and register form */
+/* prompt: login + register form + alert message banner */
 .prompt {
-	margin: 3rem auto;
-	padding: 2rem;
-	max-width: 400px;
-	min-width: 300px;
-	width: 33%;
 	text-align: center;
 }
 
diff --git a/p/themes/base-theme/template.rtl.css b/p/themes/base-theme/template.rtl.css
index 126ca04a3..a4031cafa 100644
--- a/p/themes/base-theme/template.rtl.css
+++ b/p/themes/base-theme/template.rtl.css
@@ -295,13 +295,8 @@ td.numeric {
 	display: none !important;
 }
 
-/* login and register form */
+/* prompt: login + register form + alert message banner */
 .prompt {
-	margin: 3rem auto;
-	padding: 2rem;
-	max-width: 400px;
-	min-width: 300px;
-	width: 33%;
 	text-align: center;
 }