update button css

packages/app/src/components/PageComment.module.scss

@@ -80,7 +80,7 @@ $bgcolor-global: white;
 
 
 // reply button
-.btn.btn-comment-reply :global {
+.btn-comment-reply :global {
   margin-top: 0.5em;
   border: none;
 }

packages/app/src/components/PageComment/Comment.module.scss

@@ -64,6 +64,30 @@ $bgcolor-global: white;
       }
     }
 
+    // older comments
+    &.page-comment-older {
+    }
+    // newer comments
+    &.page-comment-newer {
+      opacity: 0.7;
+
+      &:hover {
+        opacity: 1;
+      }
+    }
+
+    .page-comment-meta {
+      display: flex;
+      justify-content: flex-end;
+
+      font-size: 0.9em;
+      color: bs.$gray-400;
+    }
+
+    .page-comment-revision svg {
+      width: 16px;
+      height: 16px;
+    }
 
     /*
       * GROWI comment form