diff --git a/components/code-review-section.js b/components/code-review-section.js
index d0396bf..4c8740c 100644
--- a/components/code-review-section.js
+++ b/components/code-review-section.js
@@ -19,6 +19,7 @@ class CodeReviewSection extends HTMLElement {
         justify-content: center;
         align-items: center;
         height: 100vh;
+        background-color: var(--bg-200);
       }
 
       section {
diff --git a/components/step-section.js b/components/step-section.js
index 0bafc65..32983f8 100644
--- a/components/step-section.js
+++ b/components/step-section.js
@@ -13,6 +13,11 @@ class StepsSection extends HTMLElement {
 
   createCss() {
     return css`
+      :host {
+        display: block;
+        background-color: var(--bg-200);
+      }
+
       section {
         max-width: 1550px;
         margin: 0 27px;