diff --git a/src/admin/scss/app.scss b/src/admin/scss/app.scss
index 4a2443e05..3db0a521a 100644
--- a/src/admin/scss/app.scss
+++ b/src/admin/scss/app.scss
@@ -11,9 +11,9 @@
   --z-modal: #{$z-modal};
   --scrollbar-width: 17px;
 
-  --theme-bg: var(--theme-base-0);
-  --theme-input-bg: var(--theme-base-0);
-  --theme-text: var(--theme-base-800);
+  --theme-bg: var(--theme-elevation-0);
+  --theme-input-bg: var(--theme-elevation-0);
+  --theme-text: var(--theme-elevation-800);
 
   --font-body: 'Suisse Intl', system-ui;
   --font-mono: monospace;
@@ -66,6 +66,12 @@ html {
   }
 }
 
+html,
+body,
+#app {
+  height: 100%;
+}
+
 body {
   font-family: var(--font-body);
   font-weight: 400;