Use blue for activity stream links; use monospace font for commit sha

app/assets/stylesheets/pages/events.scss

@@ -156,6 +156,10 @@
         &:hover {
           background: none;
         }
+
+        a {
+          color: $blue-600;
+        }
       }
     }
   }

app/views/events/event/_push.html.haml

@@ -32,7 +32,8 @@
             - from_label = from
 
           = link_to project_compare_path(project, from: from, to: event.commit_to) do
-            Compare #{from_label}...#{truncate_sha(event.commit_to)}
+            %span Compare
+            %span.commit-sha #{from_label}...#{truncate_sha(event.commit_to)}
 
           - if create_mr
             %span

changelogs/unreleased/61049-links-activity-stream.yml

@@ -0,0 +1,5 @@
+---
+title: Use blue for activity stream links; use monospace font for commit sha
+merge_request:
+author:
+type: other