fix(post): post menu position was wrong on some browsers

src/components/post/post.module.css

@@ -133,6 +133,7 @@
 
 .postMenuBtnWrapper {
   position: relative;
+  display: inline-block;
   padding-left: 5px;
 }
 
@@ -148,6 +149,8 @@
   color: var(--post-menu-button-color);
   transition: transform 0.1s;
   position: absolute;
+  opacity: var(--post-menu-btn-opacity);
+  bottom: -4px;
 }
 
 .replyDesktop .postMenuBtn {