diff --git a/app/javascript/styles/full-dark/diff.scss b/app/javascript/styles/full-dark/diff.scss
index 1c98d95037..9483e7ecb6 100644
--- a/app/javascript/styles/full-dark/diff.scss
+++ b/app/javascript/styles/full-dark/diff.scss
@@ -1,6 +1,7 @@
 input[type='text']:not(#cw-spoiler-input),
 input[type='search'],
 input[type='number'],
+textarea[id='upload-modal__description'],
 input:not([type]) {
   background: $ui-base-color !important;
   color: $primary-text-color !important;
@@ -24,6 +25,7 @@ input:not([type]) {
   color: $classic-secondary-color !important;
 }
 
+.compose-form__warning,
 .modal-root__modal {
   background: lighten($classic-base-color, 12%);
 }