renders card components randomly extracted from a shuffled deck

src/App.css

@@ -1,41 +1,41 @@
 #root {
+  display: flex;
+  align-items: center;
+  justify-content: center;
   max-width: 1280px;
   margin: 0 auto;
   padding: 2rem;
   text-align: center;
 }
 
-.logo {
-  height: 6em;
-  padding: 1.5em;
-  will-change: filter;
-}
-.logo:hover {
-  filter: drop-shadow(0 0 2em #646cffaa);
-}
-.logo.react:hover {
-  filter: drop-shadow(0 0 2em #61dafbaa);
+.card-row {
+  display: flex;
+  flex-flow: column nowrap;
+  margin: 2rem;
+  width: 80vw;
 }
 
-@keyframes logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  a:nth-of-type(2) .logo {
-    animation: logo-spin infinite 20s linear;
-  }
+.card-row-cards-visible {
+  display: flex;
+  flex-flow: row nowrap;
+  width: 100%;
+  justify-content: space-around;
 }
 
 .card {
-  padding: 2em;
+  width: 25%;
 }
 
-.read-the-docs {
-  color: #888;
+
+.tier-1 {
+  background-color: green;
 }
+
+.tier-2 {
+  background-color: yellow;
+  color: black;
+}
+
+.tier-3 {
+  background-color: blue;
+}