diff --git a/ui/src/pages/Questions/Detail/components/Reactions/index.tsx b/ui/src/pages/Questions/Detail/components/Reactions/index.tsx
index 9a47f4bf..5d292c7b 100644
--- a/ui/src/pages/Questions/Detail/components/Reactions/index.tsx
+++ b/ui/src/pages/Questions/Detail/components/Reactions/index.tsx
@@ -2,6 +2,8 @@ import { FC, memo, useEffect, useState } from 'react';
 import { Button, OverlayTrigger, Tooltip } from 'react-bootstrap';
 import { useTranslation } from 'react-i18next';
 
+import classNames from 'classnames';
+
 import { Icon } from '@/components';
 import { queryReactions, updateReaction } from '@/services';
 import { tryNormalLogged } from '@/utils/guard';
@@ -81,10 +83,14 @@ const Index: FC<Props> = ({
   );
 
   return (
-    <div className="d-block d-md-flex flex-wrap mt-4 mb-3">
+    <div
+      className={classNames('d-block d-md-flex flex-wrap', {
+        'mb-3': !showAddCommentBtn,
+      })}>
       {showAddCommentBtn && (
         <Button
-          className="rounded-pill btn-no-border answer-reaction-btn bg-light"
+          className="rounded-pill me-2 link-secondary"
+          variant="light"
           size="sm"
           onClick={handleClickComment}>
           <Icon name="chat-text-fill" />
@@ -95,7 +101,8 @@ const Index: FC<Props> = ({
       <OverlayTrigger trigger="click" placement="top" overlay={renderTooltip}>
         <Button
           size="sm"
-          className="rounded-pill ms-2 answer-reaction-btn bg-light btn-no-border">
+          className="rounded-pill link-secondary"
+          variant="light">
           <Icon name="emoji-smile-fill" />
           <span className="ms-1">+</span>
         </Button>
@@ -119,14 +126,15 @@ const Index: FC<Props> = ({
                 </Tooltip>
               }>
               <Button
-                title="hahah"
-                className="rounded-pill ms-2 answer-reaction-btn bg-light btn-no-border"
+                title={emoji.name}
+                className="rounded-pill ms-2 link-secondary d-flex align-items-center"
+                variant="light"
                 size="sm"
                 onClick={() =>
                   handleSubmit({ object_id: objectId, emoji: emoji.name })
                 }>
                 <Icon name={emoji.icon} className={emoji.className} />
-                <span className="ms-1">{reactions[emoji.name].count}</span>
+                <span className="ms-1 lh-1">{reactions[emoji.name].count}</span>
               </Button>
             </OverlayTrigger>
           );
diff --git a/ui/src/pages/Questions/Detail/index.scss b/ui/src/pages/Questions/Detail/index.scss
index 72cb02e8..46853f1b 100644
--- a/ui/src/pages/Questions/Detail/index.scss
+++ b/ui/src/pages/Questions/Detail/index.scss
@@ -16,45 +16,28 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-@import 'bootstrap/scss/functions';
-@import 'bootstrap/scss/variables';
-
-.answer-reaction-btn {
-  padding-top: 0.2rem;
-  padding-bottom: 0.2rem;
-  color: $secondary;
-  &:hover {
-    background-color: $gray-400 !important;
-    color: $secondary;
-  }
-  &:active {
-    background-color: $gray-500 !important;
-    color: $secondary !important;
-  }
-}
-
 #reaction-button-tooltip {
   .tooltip-inner {
     padding: 0.2rem;
-    background-color: $white;
-    border: 1px solid $gray-500;
+    background-color: var(--bs-body-bg);
+    border: 1px solid var(--bs-border-color);
     .btn {
-      background-color: $white;
-      border: none;
+      background-color: var(--bs-body-bg);
+      border-color: transparent;
       &:hover {
-        background-color: $gray-100;
+        background-color: var(--bs-gray-100);
       }
       &:active {
-        background-color: $gray-300;
+        background-color: var(--bs-gray-200);
       }
     }
   }
 
   .tooltip-arrow {
     overflow: hidden;
-    bottom: calc(-1 * $tooltip-arrow-height + 1px);
+    bottom: calc(-0.4rem + 1px);
     &::before {
-      border: 1px solid $gray-500;
+      border: 1px solid var(--bs-gray-500);
       width: 50%;
       height: 100%;
       transform: translate(-50%, -50%) rotate(-45deg);