diff --git a/src/components/sound/sound.module.css b/src/components/sound/sound.module.css
index e215e9a..8ccaa8c 100644
--- a/src/components/sound/sound.module.css
+++ b/src/components/sound/sound.module.css
@@ -9,6 +9,7 @@
   border-radius: 8px;
   background: linear-gradient(var(--color-neutral-100), transparent);
   text-align: center;
+  transition: 0.2s;
 
   &.hidden {
     display: none;