Remove extra characters, improve article css

themes/lite/templates/article.html

@@ -1,11 +1,19 @@
 {% extends "base.html" %}
+{% block meta %}
+<meta charset=UTF-8>
+{% endblock %}
+
 {% block style %}
 
 <style>
-p {
+p, h2, h3, h4, h5 {
 	margin: 0;
 }
-.highlight {
+.toclink {
+	color: black;
+}
+.highlight > pre {
+	margin: 0;
 	padding: 0.5rem;
 	overflow-x: auto;
 	background-color: #eee;