diff --git a/plugin/contents/ui/dancer.html b/plugin/contents/ui/dancer.html
index f62c657..a8164a5 100644
--- a/plugin/contents/ui/dancer.html
+++ b/plugin/contents/ui/dancer.html
@@ -255,8 +255,8 @@ html, body {
   line-height: 1.5;
   letter-spacing: 0.03em;
   text-shadow:
-    0 0 18px rgba(0,200,255,0.85),
-    0 0  6px rgba(0,200,255,0.5),
+    0 0 18px var(--theme-color, rgba(0,200,255,0.85)),
+    0 0  6px var(--theme-color, rgba(0,200,255,0.5)),
     0  2px 10px rgba(0,0,0,0.95),
     -1px -1px 0 rgba(0,0,0,0.7),
      1px  1px 0 rgba(0,0,0,0.7);