add border to revision history

src/client/js/components/PageHistory/PageRevisionList.jsx

@@ -21,7 +21,7 @@ export default class PageRevisionList extends React.Component {
     const hasDiff = revision.hasDiffToPrev !== false; // set 'true' if undefined for backward compatibility
 
     return (
-      <div className="revision-history-outer" key={`revision-history-${revisionId}`}>
+      <div className="revision-history-outer pt-3" key={`revision-history-${revisionId}`}>
         <Revision
           revision={revision}
           revisionDiffOpened={revisionDiffOpened}

src/client/styles/scss/_page.scss

@@ -86,6 +86,11 @@
 
   .revision-history-list {
     .revision-history-outer {
+      // add border-top except of first element
+      &:not(:first-of-type) {
+        border-top: 1px solid $border;
+      }
+
       .revision-history-main {
         .picture {
           width: 32px;