diff --git a/ext/riverlea/core/css/_variables.css b/ext/riverlea/core/css/_variables.css
index a63ba5df2def..f3cbd68be9d9 100644
--- a/ext/riverlea/core/css/_variables.css
+++ b/ext/riverlea/core/css/_variables.css
@@ -436,6 +436,7 @@
   --crm-f-fieldset-border: 0;
   --crm-f-fieldset-box-shadow: var(--crm-f-box-shadow);
   --crm-f-legend-position: left; /* chose 'left', 'right' or 'inherit' for browser-default of mid fieldset border */
+  --crm-f-sr-legend-position: absolute; /* chose 'absolute' for inline label/input, and 'unset' for stacked. See #33491 */
   --crm-f-legend-align: left;
   --crm-f-legend-size: var(--crm-r3);
   --crm-f-legend-padding: 0;
diff --git a/ext/riverlea/core/css/components/_form.css b/ext/riverlea/core/css/components/_form.css
index b960b2dc2d98..3dd5bfb19f70 100644
--- a/ext/riverlea/core/css/components/_form.css
+++ b/ext/riverlea/core/css/components/_form.css
@@ -109,6 +109,10 @@
   border: 1px solid var(--crm-fieldset-border-color);
   border-width: var(--crm-fieldset-border);
 }
+.crm-container fieldset.crm-sr-fieldset {
+  border: 0;
+  padding: 0;
+}
 .crm-container fieldset legend {
   font-weight: bold;
   font-family: var(--crm-font-bold);
diff --git a/ext/riverlea/core/css/components/_front.css b/ext/riverlea/core/css/components/_front.css
index f4a84f362690..12ebed6885f8 100644
--- a/ext/riverlea/core/css/components/_front.css
+++ b/ext/riverlea/core/css/components/_front.css
@@ -14,7 +14,7 @@
 }
 .crm-container.crm-public fieldset:not(.collapsed,
 .crm-inactive-dashlet-fieldset,
-.af-container-style-pane),
+.af-container-style-pane,.crm-sr-fieldset),
 .crm-container.crm-public .crm-event-info-form-block,
 .crm-container.crm-public #crm-profile-block,
 .crm-container.crm-public .crm-container.crm-public .af-container:not(.af-container-style-pane),
@@ -31,6 +31,11 @@
   text-align: var(--crm-f-legend-align);
   float: var(--crm-f-legend-position);
 }
+.crm-container.crm-public fieldset.crm-sr-fieldset legend {
+  padding: 0;
+  font-size: inherit;
+  position: var(--crm-f-sr-legend-position);
+}
 .crm-container.crm-public fieldset legend + * {
   clear: both;
 }
diff --git a/ext/riverlea/streams/hackneybrook/_variables.css b/ext/riverlea/streams/hackneybrook/_variables.css
index 7813facc9529..2069dce4c5be 100644
--- a/ext/riverlea/streams/hackneybrook/_variables.css
+++ b/ext/riverlea/streams/hackneybrook/_variables.css
@@ -141,6 +141,7 @@
   --crm-f-legend-size: var(--crm-r2);
   --crm-f-form-width: 50vw;
   --crm-f-label-position: unset; /* 'unset' = stacked, 'left' = left align, in combination with width below */
+  --crm-f-sr-legend-position: var(--crm-f-label-position);
   --crm-f-label-align: left;
   --crm-f-label-margin: 0 var(--crm-s);
   --crm-f-label-width: unset;
diff --git a/ext/riverlea/streams/thames/_variables.css b/ext/riverlea/streams/thames/_variables.css
index 0841c59332c6..6d28cb562429 100644
--- a/ext/riverlea/streams/thames/_variables.css
+++ b/ext/riverlea/streams/thames/_variables.css
@@ -477,6 +477,7 @@
   --crm-f-form-padding: var(--crm-padding-reg);
   --crm-f-form-layout: block; /* 'grid' = inline, 'block' = stacked */
   --crm-f-label-position: unset;
+  --crm-f-sr-legend-position: var(--crm-f-label-position);
   --crm-f-label-align: left;
   --crm-f-label-weight: bold;
   --crm-f-label-margin: var(--crm-s);
diff --git a/ext/riverlea/streams/walbrook/_variables.css b/ext/riverlea/streams/walbrook/_variables.css
index a0f6195be088..74efc1f3a264 100755
--- a/ext/riverlea/streams/walbrook/_variables.css
+++ b/ext/riverlea/streams/walbrook/_variables.css
@@ -230,6 +230,7 @@
   --crm-f-legend-align: unset;
   --crm-f-legend-size: var(--crm-r2);
   --crm-f-label-position: unset; /* 'unset' = stacked, 'left' = left align, in combination with width below */
+  --crm-f-sr-legend-position: var(--crm-f-label-position);
   --crm-f-label-align: left;
   --crm-f-label-margin: var(--crm-s);
   --crm-f-label-width: unset;