Updated to work with live site Added components from somewhere fixed some css background image

static/css/themes.css

@@ -0,0 +1,43 @@
+/* Default theme */
+:root {
+    --background-color: #222222;
+    --headings-color: #ffffff;
+    --font-color: #ffffff;
+}
+
+/* Dark theme */
+html[data-theme='dark'] {
+    --background-color: #222222;
+    --headings-color: #ffffff;
+    --font-color: #ffffff;
+}
+
+body {
+    background-color: var(--background-color);
+    color: var(--font-color);
+}
+
+h1, h2, h3, h4, h5 {
+    color: var(--headings-color);
+}
+
+hr {
+    background-color: #eeeeee;
+}
+
+.overlay {
+    border-bottom: 2px solid #eeeeee;
+}
+
+li a:hover {
+    border-bottom: 3px solid white;
+    text-decoration: none;
+}
+
+a {
+    color: #CC99FF;
+}
+
+a:hover {
+    color: white;
+}