diff --git a/src/registrar/assets/sass/_theme/_admin.scss b/src/registrar/assets/sass/_theme/_admin.scss
index 950285de6..37ccef488 100644
--- a/src/registrar/assets/sass/_theme/_admin.scss
+++ b/src/registrar/assets/sass/_theme/_admin.scss
@@ -787,11 +787,16 @@ div.dja__model-description{
     color: var(--link-fg);
 }
 
+.textarea-wrapper {
+    width: 100%;
+    max-width: 610px;
+}
+
 .dja-readonly-textarea-container {
-    overflow-x: scroll;
+    width: 100%;
     textarea {
         width: 100%;
-        min-width: 610px;
+        max-width: 610px;
         resize: none;
         cursor: auto;
 
@@ -811,12 +816,6 @@ div.dja__model-description{
     }
 }
 
-@media (max-width: 1230px) {
-    .dja-readonly-textarea-container {
-        overflow-x: scroll;
-    }
-}
-
 .max-full {
     width: 100% !important;
 }
@@ -834,3 +833,7 @@ div.dja__model-description{
     // Many elements in django admin try to override this, so we need !important.
     display: none !important;
 }
+
+.margin-top-0 {
+    margin-top: 0 !important;
+}
\ No newline at end of file
diff --git a/src/registrar/templates/django/admin/includes/detail_table_fieldset.html b/src/registrar/templates/django/admin/includes/detail_table_fieldset.html
index d6c68970a..465b7c306 100644
--- a/src/registrar/templates/django/admin/includes/detail_table_fieldset.html
+++ b/src/registrar/templates/django/admin/includes/detail_table_fieldset.html
@@ -49,7 +49,7 @@ This is using a custom implementation fieldset.html (see admin/fieldset.html)
                 <p>No changelog to display.</p>
                 {% endif %}
             </div>
-            <button type="button" class="collapse-toggle--dgsimple usa-button usa-button--unstyled">
+            <button type="button" class="collapse-toggle--dgsimple usa-button usa-button--unstyled margin-top-0">
                 <span>Show details</span>
                 <svg class="usa-icon" aria-hidden="true" focusable="false" role="img" width="24" height="24">
                     <use xlink:href="/public/img/sprite.svg#expand_more"></use>
@@ -124,7 +124,7 @@ This is using a custom implementation fieldset.html (see admin/fieldset.html)
     {% if field.field.name == "action_needed_reason" %}
     <div class="flex-container">
         <label aria-label="Action needed reason email"></label>
-        <div>
+        <div class="textarea-wrapper">
             {% comment %}
             Store the action needed reason emails in a json-based dictionary.
             This allows us to change the action_needed_reason_email field dynamically, depending on value.