Create styles.css

styles.css

@@ -0,0 +1,16 @@
+    body {
+      padding: 2rem;
+              font-family: -apple-system, BlinkMacSystemFont,
+        "Arial", sans-serif;
+    }
+    .card {
+      max-width: 520px;
+      margin: 0 auto;
+      padding: 12px;
+      border: 1px solid lightgray;
+      border-radius: 16px;
+    }
+    p {
+      font-size: 15px;
+      margin-bottom: 0;
+    }