Fix up a nice footer.

user/themes/textbook/css/columns.css

@@ -18,10 +18,3 @@
 }
 
 
-#footer {
-    height: 3rem;
-}
-#footer p {
-    margin-bottom: 0;
-}
-

user/themes/textbook/css/custom.css

+
+
+#footer {
+    height: 3rem;
+}
+#footer p {
+    margin-bottom: 0;
+}
+#footer .ljbac {
+    color: #d632a8;
+}
+#footer .ljbac:hover,
+#footer .ljbac:focus {
+    color: #b72b90;
+}

user/themes/textbook/templates/partials/footer.html.twig

+<section id="footer" class="section bg-gray">
+    <section class="container {{ grid_size }}">
+        <p><a href="https://m3p2.org">M3P2</a> was <i class="fa fa-code"></i> with <i class="fa fa-heart-o pulse"></i> by <a href="https://www.ljbac.com" class="ljbac"><i class="fa fa-cube"></i></a> with <a href="http://getgrav.org">Grav</a>.</p>
+    </section>
+</section>