Steps
  • Open your SharePoint Designer and select a site which you want to hide the buttons.
  • Use F12 tool and get the ID of three Buttons.
  • Open you master page
  • Add a below code in your master page using designer.
  1. <style type="text/css">
  3. a[id$=site_share_button], a[id$=SyncPromotedAction], a#site_follow_button
  4. {
  5. display: none !important;
  6. }
  8. </style>

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