Improve nambia

Author: iHiD

bootcamp_content/projects/positioned-patterns/exercises/positioned-namibia/example.css

@@ -7,7 +7,7 @@
         left: -20%;
         display: grid;
         transform: rotate(-35deg);
-        grid-template-rows: 40% 3% 14% 3% 40%;
+        grid-template-rows: 40% 1fr 15% 1fr 40%;
 
         .blue {
             background: #002f6c;

bootcamp_content/projects/positioned-patterns/exercises/positioned-namibia/introduction.md

@@ -19,7 +19,9 @@ Behind the scenes we've added some CSS so that your outermost element will fill
 
 For the stripes:
 
-- The target implementation uses `%` divisible by 10 for all the positioning (e.g. any widths, heights, tops, lefts, etc) with two exceptions - the width of the stripes, and the rotation - which are whole number % but not all divisible by 10.
+- The target implementation uses `%` divisible by 10 for all the positioning (e.g. any widths, heights, tops, lefts, etc) with two exceptions:
+  - The width of the stripes, which is a mix of `%` (in 5% increments) and either `fr` or `flex-grow`
+  - The rotation, which is a `%` divisible by 5.
 - The blue is `#002f6c`, the red is `#c8102e`, the green is `#009a44` and the gold is `#ffcd00`
 
 ### The Emblem