diff --git a/web/src/client/styles.css b/web/src/client/styles.css
index 458cf029..eaaeca9b 100644
--- a/web/src/client/styles.css
+++ b/web/src/client/styles.css
@@ -796,10 +796,20 @@ body {
     animation: expand-from-button 0.15s cubic-bezier(0.4, 0, 0.2, 1);
   }
 
-  ::view-transition-old(create-session-button) {
+  ::view-transition-old(create-session-modal) {
     animation: shrink-to-button 0.15s cubic-bezier(0.4, 0, 0.2, 1);
   }
 
+  /* Hide button during forward transition */
+  ::view-transition-old(create-session-button) {
+    animation: fade-out 0.15s ease-out;
+  }
+
+  /* Show button during reverse transition */
+  ::view-transition-new(create-session-button) {
+    animation: fade-in 0.15s ease-out;
+  }
+
   /* Make button invisible during transition */
   .vt-create-button {
     contain: layout;
@@ -818,4 +828,13 @@ body {
       opacity: 1;
     }
   }
+
+  @keyframes fade-out {
+    from {
+      opacity: 1;
+    }
+    to {
+      opacity: 0;
+    }
+  }
 }