diff --git a/frontend/src/components/Activities/Activities.vue b/frontend/src/components/Activities/Activities.vue
index 5e8e3e7e..44396a49 100644
--- a/frontend/src/components/Activities/Activities.vue
+++ b/frontend/src/components/Activities/Activities.vue
@@ -50,11 +50,11 @@
             class="activity grid grid-cols-[30px_minmax(auto,_1fr)] gap-2 px-3 sm:gap-4 sm:px-10"
           >
             <div
-              class="relative flex justify-center after:absolute after:left-[50%] after:top-0 after:-z-10 after:border-l after:border-outline-gray-modals"
+              class="relative flex justify-center after:absolute after:left-[50%] after:top-0 after:border-l after:border-outline-gray-modals"
               :class="i != activities.length - 1 ? 'after:h-full' : 'after:h-4'"
             >
               <div
-                class="z-10 flex h-8 w-7 items-center justify-center bg-surface-white"
+                class="z-[1] flex h-8 w-7 items-center justify-center bg-surface-white"
               >
                 <CommentIcon class="text-ink-gray-8" />
               </div>
@@ -72,11 +72,11 @@
             class="activity grid grid-cols-[30px_minmax(auto,_1fr)] gap-4 px-3 sm:px-10"
           >
             <div
-              class="relative flex justify-center after:absolute after:left-[50%] after:top-0 after:-z-10 after:border-l after:border-outline-gray-modals"
+              class="relative flex justify-center after:absolute after:left-[50%] after:top-0 after:border-l after:border-outline-gray-modals"
               :class="i != activities.length - 1 ? 'after:h-full' : 'after:h-4'"
             >
               <div
-                class="z-10 flex h-8 w-7 items-center justify-center bg-surface-white text-ink-gray-8"
+                class="z-[1] flex h-8 w-7 items-center justify-center bg-surface-white text-ink-gray-8"
               >
                 <MissedCallIcon
                   v-if="call.status == 'No Answer'"
@@ -116,11 +116,11 @@
       >
         <div
           v-if="['Activity', 'Emails'].includes(title)"
-          class="relative flex justify-center before:absolute before:left-[50%] before:top-0 before:-z-10 before:border-l before:border-outline-gray-modals"
+          class="relative flex justify-center before:absolute before:left-[50%] before:top-0 before:border-l before:border-outline-gray-modals"
           :class="[i != activities.length - 1 ? 'before:h-full' : 'before:h-4']"
         >
           <div
-            class="z-10 flex h-7 w-7 items-center justify-center bg-surface-white"
+            class="z-[1] flex h-7 w-7 items-center justify-center bg-surface-white"
             :class="{
               'mt-2.5': ['communication'].includes(activity.activity_type),
               'bg-surface-white': ['added', 'removed', 'changed'].includes(