diff --git a/popup/popup.css b/popup/popup.css
index 76549a2e..f8115aed 100644
--- a/popup/popup.css
+++ b/popup/popup.css
@@ -242,6 +242,9 @@ html[style] .entry-content {
 .entry .onoffswitch input {
   pointer-events: none;
 }
+.style-name:hover .onoffswitch span {
+  box-shadow: inset 1px 1px 3px rgba(0, 0, 0, .8);
+}
 
 .entry:nth-child(even) {
   background-color: rgba(0, 0, 0, 0.05);