diff --git a/source/css/_common/components/post/post-reward.styl b/source/css/_common/components/post/post-reward.styl
index afbd55e..925831d 100644
--- a/source/css/_common/components/post/post-reward.styl
+++ b/source/css/_common/components/post/post-reward.styl
@@ -5,18 +5,21 @@
   width: 90%;
 
   button {
-    background: $red;
-    border: 0;
-    border-radius: 5px;
-    color: white;
+    background: transparent;
+    border: 2px solid $sidebar-highlight;
+    border-radius: 2px;
+    color: $sidebar-highlight;
     cursor: pointer;
     line-height: 2;
     outline: 0;
     padding: 0 15px;
     vertical-align: text-top;
+    the-transition();
 
     &:hover {
-      background: lighten($red, 20%);
+      background: $sidebar-highlight;
+      border: 2px solid transparent;
+      color: white;
     }
   }
 }
@@ -24,10 +27,6 @@
 #qr {
   padding-top: 20px;
 
-  a {
-    border: 0;
-  }
-
   img {
     display: inline-block;
     margin: .8em 2em 0 2em;
@@ -35,12 +34,8 @@
     width: 180px;
   }
 
-  p {
-    text-align: center;
-  }
-
   if (hexo-config('reward_settings.animation')) {
-    > div:hover p {
+    div:hover p {
       animation: roll .1s infinite linear;
     }