diff --git a/basic-example/style.css b/basic-example/style.css
index e6c02bf..8ea216a 100644
--- a/basic-example/style.css
+++ b/basic-example/style.css
@@ -17,3 +17,12 @@ h2 {
   font-size: 1.5em;
   margin: 0;
 }
+image {
+  filter: drop-shadow(0px 0px 2px grey);
+}
+path {
+  transition: opacity 0.1s;
+}
+path:hover {
+  opacity: 0.9;
+}