Update style

src/routes/style.css

@@ -163,6 +163,54 @@ h6 {
     font-size: x-small;
 }
 
+article {
+    counter-reset: h2 0;
+}
+
+article h2 {
+    counter-increment: h2 1;
+    counter-reset: h3 0;
+}
+
+article h2::before {
+    content: counter(h2) ". ";
+}
+
+article h3 {
+    counter-increment: h3 1;
+    counter-reset: h4 0;
+}
+
+article h3::before {
+    content: counter(h2) "." counter(h3) ". ";
+}
+
+article h4 {
+    counter-increment: h4 1;
+    counter-reset: h5 0;
+}
+
+article h4::before {
+    content: counter(h2) "." counter(h3) "." counter(h4) ". ";
+}
+
+article h5 {
+    counter-increment: h5 1;
+    counter-reset: h6 0;
+}
+
+article h5::before {
+    content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) ". ";
+}
+
+article h6 {
+    counter-increment: h6 1;
+}
+
+article h6::before {
+    content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) "." counter(h6) ". ";
+}
+
 a {
     padding-left: 0.15em;
     padding-right: 0.15em;