Fixed a bug where I was failing to filter out pseudo elements during walking.

src/renderer/tree_walking.rs

@@ -44,7 +44,7 @@ fn get_first_non_pseudo_element<'a>(
         .iter()
         .rev()
         .filter(|b| {
-            std::borrow::Borrow::<dyn IntoContextElement + 'a>::borrow(*b).is_pseudo_element()
+            !std::borrow::Borrow::<dyn IntoContextElement + 'a>::borrow(*b).is_pseudo_element()
         })
         .next()
 }