Added green squares

Author: rogerhoward

Diff for: _posts/challenges/2015-09-01-green-squares.md

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+---
+title:  "Green Squares"
+date:   2015-09-01 10:00:00
+category: challenge
+layout: challenge
+permalink: /challenges/greensquares
+---
+
+<span id="greensquare"></span><h2>The Green Square Incident</h2>
+<p>Our first real "challenge" started at some point in the fall of 2015. One of the Joshes spontaneously suggested this challenge, and it turned into something suprisingly fun and creative:</p>
+
+<h3>Put a green square on your screen as many ways as you can in 10 minutes.</h3>