Reduce free feature margins to match pro features

Now the two sections are more consistent and the free features have more
space on mobile.

layouts/index.html

@@ -58,7 +58,7 @@ <h1 class="text-white text-4xl md:text-5xl font-bold mb-16">Better WooCommerce o
 		</article>
 	</article>
 </section>
-<section id="features" class="py-16 px-4 max-w-7xl mx-auto scroll-mt-16">
+<section id="features" class="py-16 scroll-mt-16">
 	<h2 class="text-3xl md:text-4xl text-center font-bold text-gray-700 mb-12">How does Dashify make WooCommerce better?</h2>
 	<div class="grid md:grid-cols-2 gap-8 px-4 max-w-7xl mx-auto">
 		{{ range .Site.Data.index.features }}