diff --git a/FrontendMentor/newbie/order-summary-component/css/style.css b/FrontendMentor/newbie/order-summary-component/css/style.css
index 81fb888..84b858d 100644
--- a/FrontendMentor/newbie/order-summary-component/css/style.css
+++ b/FrontendMentor/newbie/order-summary-component/css/style.css
@@ -11,7 +11,6 @@
 */
 :root {
     /* Colors */
-
     --clr-pale-blue: hsl(225, 100%, 94%);
     --clr-bright-blue: hsl(245, 75%, 52%);
 
@@ -70,13 +69,13 @@ main {
     background-color: white;
     text-align: center;
 }
-.hero-image img {
+.card__hero-image {
     width: 100%;
     border-radius: var(--br-20) var(--br-20) 0 0;
     margin-bottom: clamp(2rem, 8vw, 2.815rem);
 }
 
-.card h1 {
+.card__title {
     font-weight: var(--fw-900);
     font-size: clamp(1.375rem, 2.5vw, 1.815rem);
     line-height: 1.3195;
@@ -84,7 +83,7 @@ main {
     color: var(--clr-dark-blue);
 }
 
-.card p {
+.card__info {
     font-weight: var(--fw-500);
     margin: 0 clamp(2rem, 4vw, 3rem);
     font-size: var(--font-width-15px-16px);
@@ -92,7 +91,7 @@ main {
     line-height: 165%;
 }
 
-.price-plan {
+.card__price-plan {
     display: flex;
     justify-content: space-around;
     align-items: center;
@@ -105,32 +104,31 @@ main {
     background-color: var(--clr-very-pale-blue);
 }
 
-.plan-type {
+.card__plan-type {
     color: var(--clr-dark-blue);
     font-size: var(--font-width-14px-16px);
     font-weight: var(--fw-900);
     margin-bottom: clamp(0.1875rem, 0.8vw, 0.375rem);
 }
-.plan-price {
+.card__plan-price {
     font-size: 0.875rem;
     font-weight: 500;
 }
-.change-button {
+.card__change-button {
     font-size: 0.8125rem;
     font-weight: var(--fw-700);
     color: var(--clr-bright-blue);
 }
 
-.button-area a {
+.card__button-area a {
     display: block;
     text-decoration: none;
     font-weight: var(--fw-900);
     font-size: 0.9375rem;
     line-height: 20px;
 }
-.payment-button {
+.card__payment-button {
     color: white;
-    /* margin-bottom: 1.5rem; */
     background-color: var(--clr-bright-blue);
     width: 85%;
     margin: 0 auto clamp(1.5rem, 4vw, 2rem) auto;
@@ -138,7 +136,7 @@ main {
     border-radius: var(--br-11);
     padding: 15px 0;
 }
-.cancel-button {
+.card__cancel-button {
     margin-bottom: clamp(2rem, 8vw, 3rem);
 }
 
@@ -150,15 +148,15 @@ main {
         background-image: url(../images/pattern-background-desktop.svg);
     }
 
-    .change-button:hover {
+    .card__change-button:hover {
         color: var(--clr-light-purple);
     }
 
-    .payment-button:hover {
+    .card__payment-button:hover {
         background-color: var(--clr-light-purple);
     }
 
-    .cancel-button:hover {
+    .card__cancel-button:hover {
         color: var(--clr-dark-blue);
     }
 }
diff --git a/FrontendMentor/newbie/order-summary-component/index.html b/FrontendMentor/newbie/order-summary-component/index.html
index ad10807..9eebd17 100644
--- a/FrontendMentor/newbie/order-summary-component/index.html
+++ b/FrontendMentor/newbie/order-summary-component/index.html
@@ -29,26 +29,26 @@
 
   <main>
     <div class="card">
-      <div class="hero-image">
-        <img src="./images/illustration-hero.svg"
-          alt="Hero Image Person holding an audio device and wearing headphones">
-      </div>
-      <h1>Order Summary</h1>
-      <p>
+      <img class="card__hero-image" src="./images/illustration-hero.svg"
+        alt="Hero Image Person holding an audio device and wearing headphones">
+      <h1 class="card__title">Order Summary</h1>
+      <p class="card__info">
         You can now listen to millions of songs, audiobooks, and podcasts on any
         device anywhere you like!
       </p>
-      <div class="price-plan">
-        <img class="icon" src="./images/icon-music.svg" alt="Music icon" aria-hidden="true">
-        <div class="plan-type-area">
-          <div class="plan-type">Annual Plan</div>
-          <div class="plan-price">$59.99/year</div>
+      <div class="card__price-plan">
+        <!-- maybe price-plan, then price-plan__icon, __plan-type, __plan-price, __change-button? -->
+        <img class="card__icon" src="./images/icon-music.svg" alt="Music icon" aria-hidden="true">
+        <div class="card__plan-type-area">
+          <div class="card__plan-type">Annual Plan</div>
+          <div class="card__plan-price">$59.99/year</div>
         </div>
-        <a href="#" class="change-button">Change</a>
+        <a href="#" class="card__change-button">Change</a>
       </div>
-      <div class="button-area">
-        <a href="#" class="payment-button">Proceed to Payment</a>
-        <a href="#" class="cancel-button">Cancel Order</a>
+      <!-- maybe button-area, button-area__payment-button, button-area__cancel-button? -->
+      <div class="card__button-area">
+        <a href="#" class="card__payment-button">Proceed to Payment</a>
+        <a href="#" class="card__cancel-button">Cancel Order</a>
       </div>
     </div>
   </main>