align buttons with column headers (#2964)

app/javascript/styles/components.scss

@@ -58,7 +58,7 @@
   padding: 15px;
   position: absolute;
   right: 0;
-  top: -49px;
+  top: -48px;
   z-index: 3;
 
   &:hover {
@@ -1474,7 +1474,7 @@ a.status__content__spoiler-link {
   padding: 15px;
   position: absolute;
   right: 0;
-  top: -49px;
+  top: -48px;
 }
 
 .react-toggle {