"><code>rect(width - (height/3) - (width/20), height - (height/3) - (width/20), height/3, height/3);</code></pre>
    </div>

    <p>However, there is one big problem with the code above: It has become very hard to read. If you need to change the position of the rectangle, it will take you a while to mentally parse what's going on. To solve this problem, it is often helpful to use variables at the top of your code to store these numbers. This makes the code more readable, which makes it easier for you (and 