modify theme-colorbox for christmas theme

src/server/views/admin/customize.html

@@ -141,7 +141,7 @@
             {% include 'widget/theme-colorbox.html' with { name: 'mono-blue',   bg: '#F7FBFD', topbar: '#00587A', theme: '#00587A'} %}
             {% include 'widget/theme-colorbox.html' with { name: 'wood',   bg: '#fffefb', topbar: '#aaa45f', theme: '#dddebf'} %}
             {% include 'widget/theme-colorbox.html' with { name: 'island',   bg: '#8ecac0', topbar: '#0c2a44', theme: '#cef2ef'} %}
-            {% include 'widget/theme-colorbox.html' with { name: 'christmas',   bg: '#fffefb', topbar: '#aaa45f', theme: '#dddebf'} %}
+            {% include 'widget/theme-colorbox.html' with { name: 'christmas',   bg: '#fffefb', topbar: '#b3000c', theme: '#017e20'} %}
           </div>
           {# Dark Themes #}
           <div class="d-flex mt-3">