diff --git a/spec/figure1.svg b/spec/figure1.svg
index 34de0eb..207a90a 100644
--- a/spec/figure1.svg
+++ b/spec/figure1.svg
@@ -7,35 +7,24 @@
    stroke-linecap="square"
    stroke-miterlimit="10"
    id="svg42"
-   sodipodi:docname="figure1_fixed2.svg"
-   inkscape:version="1.4.2 (ebf0e940d0, 2025-05-08)"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns="http://www.w3.org/2000/svg"
-   xmlns:svg="http://www.w3.org/2000/svg"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:cc="http://creativecommons.org/ns#"
    xmlns:dc="http://purl.org/dc/elements/1.1/">
   <defs
-     id="defs42" />
-  <sodipodi:namedview
-     id="namedview42"
-     pagecolor="#ffffff"
-     bordercolor="#000000"
-     borderopacity="0.25"
-     inkscape:showpageshadow="2"
-     inkscape:pageopacity="0.0"
-     inkscape:pagecheckerboard="0"
-     inkscape:deskcolor="#d1d1d1"
-     inkscape:zoom="1.7818894"
-     inkscape:cx="862.00636"
-     inkscape:cy="178.18165"
-     inkscape:window-width="1920"
-     inkscape:window-height="1009"
-     inkscape:window-x="1920"
-     inkscape:window-y="0"
-     inkscape:window-maximized="1"
-     inkscape:current-layer="patch-rdf12-xml" />
+     id="defs42">
+    <style>
+      svg:root { background-color: #ffffff; }
+      @media (prefers-color-scheme: dark) {
+        svg:root { background-color: #000000; }
+        [fill="#000000"] { fill: #eeeeee; }
+        [stroke="#000000"] { stroke: #eeeeee; }
+        [fill="#ffffff"] { fill: #000000; }
+        [fill="#02bb2b"] { fill: #006d19; }
+        [fill="#dcbd21"] { fill: #705d00; }
+      }
+    </style>
+  </defs>
   <title
      id="title1">Example RDF Graph used in the &quot;RDF 1.2 XML Syntax&quot; Recommendation</title>
   <desc
diff --git a/spec/figure2.svg b/spec/figure2.svg
index f5042a9..d045420 100644
--- a/spec/figure2.svg
+++ b/spec/figure2.svg
@@ -7,35 +7,24 @@
    stroke-linecap="square"
    stroke-miterlimit="10"
    id="svg42"
-   sodipodi:docname="figure2_fixed2.svg"
-   inkscape:version="1.4.2 (ebf0e940d0, 2025-05-08)"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns="http://www.w3.org/2000/svg"
-   xmlns:svg="http://www.w3.org/2000/svg"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:cc="http://creativecommons.org/ns#"
    xmlns:dc="http://purl.org/dc/elements/1.1/">
   <defs
-     id="defs42" />
-  <sodipodi:namedview
-     id="namedview42"
-     pagecolor="#ffffff"
-     bordercolor="#000000"
-     borderopacity="0.25"
-     inkscape:showpageshadow="2"
-     inkscape:pageopacity="0.0"
-     inkscape:pagecheckerboard="0"
-     inkscape:deskcolor="#d1d1d1"
-     inkscape:zoom="1.7818894"
-     inkscape:cx="392.28024"
-     inkscape:cy="178.18165"
-     inkscape:window-width="1920"
-     inkscape:window-height="1009"
-     inkscape:window-x="1920"
-     inkscape:window-y="0"
-     inkscape:window-maximized="1"
-     inkscape:current-layer="patch-rdf12-xml" />
+     id="defs42">
+    <style>
+      svg:root { background-color: #ffffff; }
+      @media (prefers-color-scheme: dark) {
+        svg:root { background-color: #000000; }
+        [fill="#000000"] { fill: #eeeeee; }
+        [stroke="#000000"] { stroke: #eeeeee; }
+        [fill="#ffffff"] { fill: #000000; }
+        [fill="#FF6666"] { fill: #8a2525; }
+        [fill="#dcbd21"] { fill: #705d00; }
+      }
+    </style>
+  </defs>
   <title
      id="title1">Example RDF Graph used in the &quot;RDF 1.2 XML Syntax&quot; Recommendation</title>
   <desc
diff --git a/spec/index.html b/spec/index.html
index a9528f1..9614f2d 100644
--- a/spec/index.html
+++ b/spec/index.html
@@ -66,11 +66,10 @@
     };
   </script>
   <style>
-   figure { width: 76% ;  text-align: center}
+   figure { width: 76% ;  text-align: center }
    table { border-collapse:collapse; }
    table, td, th { border:1px solid black; }
    caption { font-weight: bold; text-align: left ; }
-   .hl-bold { font-weight: bold; color: #0a3; }
    code { color: #ff4500; }  /* Old W3C Style */
    @media (max-width: 850px) {
         table th, table td { font-size: 12px; padding: 3px 4px;}