diff --git a/content/blog/2022-09-04-lights/index.md b/content/blog/2022-09-04-lights/index.md
index f0d0db2..ce47a89 100644
--- a/content/blog/2022-09-04-lights/index.md
+++ b/content/blog/2022-09-04-lights/index.md
@@ -1,6 +1,7 @@
 ---
 date: "2022-09-04T00:00:00Z"
 title: Lights! ...
+url: blog/2022-09-04-lights/
 ---
 
 The kid has been gearing up to record an audition video for a dance company,
diff --git a/static/assets/css/default.css b/static/assets/css/default.css
index db66c78..2ebf34c 100644
--- a/static/assets/css/default.css
+++ b/static/assets/css/default.css
@@ -164,7 +164,7 @@ button.big {
     background-image: url("../images/bg-dark.jpg");
     filter: invert(1);
   }
-  img,video {
+  img,video,canvas {
     filter: invert(1);
   }
 }