diff --git a/style.css b/style.css
index cb20014..d5198ab 100644
--- a/style.css
+++ b/style.css
@@ -50,6 +50,13 @@
 }
 
 
+@keyframes avatar-color-shift {
+    0%, 100% { filter: brightness(0.85) contrast(1.1) sepia(1) hue-rotate(180deg); }
+    33% { filter: brightness(0.85) contrast(1.1) sepia(1) hue-rotate(210deg); }
+    66% { filter: brightness(0.85) contrast(1.1) sepia(1) hue-rotate(50deg); }
+}
+
+
 * { box-sizing: border-box; }
 
 body {
@@ -637,8 +644,8 @@ input:checked + .slider:before {
     width: 120px;
     height: 160px; /* Explicit height for aspect ratio 3:4 */
     object-fit: cover;
-    filter: brightness(0.8) contrast(1.2) sepia(1) hue-rotate(140deg);
     border: 1px solid var(--text-color);
+    animation: avatar-color-shift 15s infinite linear;
 }