Allow HTML in header, make description optional

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@fwdekker/template",
-    "version": "0.0.9",
+    "version": "0.0.10",
     "description": "The base template for pages on fwdekker.com.",
     "author": "Felix W. Dekker (https://fwdekker.com)",
     "license": "MIT",

src/main/css/common.css

@@ -1,14 +1,17 @@
+/* Variables */
 :root {
     --fwdekker-theme-color: #0033cc;
     --fwdekker-theme-color-dark: #00279d;
 }
 
+
+/* Base elements */
 html {
     height: 100%;
 }
 
 body {
-    position: relative;
+    position: relative; /* Required for footer positioning */
     min-height: 100%;
 }
 
@@ -27,6 +30,12 @@ body {
 }
 
 
+/* Custom styling */
+header .container {
+    text-align: center;
+}
+
+
 /* Make arrow next to dropdown visible */
 select {
     -webkit-appearance: menulist;

src/main/js/Template.js

@@ -71,15 +71,15 @@ export const nav = function () {
 /**
  * Creates a header element with the given title and description.
  *
- * @param title {string} the title to display
- * @param description {string} the description to display
+ * @param title {string} the title to display, possibly including HTML
+ * @param [description] {string} the description to display, possibly including HTML
  * @returns {HTMLElement} a header element
  */
 export const header = function ({title, description}) {
     return h("header.header",
         h("section.container",
-            h("h1", title),
-            h("p", h("em", description))
+            h("h1", {innerHTML: title}),
+            description !== undefined ? h("p", h("em", {innerHTML: description})) : undefined
         )
     );
 };