add background color and text color

Author: tajulafreen

ExpandsCards/style.css

@@ -1,5 +1,6 @@
 * {
   box-sizing: border-box;
+  background-color: #2a2828;
 }
 
 body {
@@ -9,6 +10,10 @@ body {
   height: 100vh;
 }
 
+h1,h3{
+color: aliceblue;
+}
+
 h1,
 .container {
   display: flex;