Fix Bug 1480535 - Make in-content search box more prominent
Fix Bug 1480535 - Make in-content search box more prominent

mozilla/activity-streams,mozilla/activity-streams,mozilla/activity-stream,sarracini/activity-stream,Mardak/activity-stream,mozilla/activity-stream,sarracini/activity-stream,sarracini/activity-stream,Mardak/activity-stream,sarracini/activity-stream,AdamHillier/activity-stream,mozilla/activity-stream,AdamHillier/activity-stream,Mardak/activity-stream,AdamHillier/activity-stream,rlr/activity-streams,Mardak/activity-stream,rlr/activity-streams,rlr/activity-streams,AdamHillier/activity-stream,mozilla/activity-stream,rlr/activity-streams