Completed exercise 03 in another way

Further explanation in README in Solution section

Solution similar to exercise 02

03-grouping-selectors/README.md

@@ -18,3 +18,7 @@ This will help you further practice adding classes and using class selectors, so
 - Does each element have a unique class name?
 - Did you use the grouping selector for styles that both elements share?
 - Did you make separate rules for the styles unique to each element?
+
+# Solution
+
+The same as in exercise 02, instead of classes, IDs, element names, I used nth-child and * to point to elements.

03-grouping-selectors/style.css

@@ -0,0 +1,13 @@
+body > *:nth-child(1) {
+    background-color: black;
+    color: white;
+}
+
+body > *:nth-child(2) {
+    background-color: yellow;
+}
+
+body > * {
+    font-size: 28px;
+    font-family: Helvetica, "Times New Roman", sans-serif;
+}