4 try { var h = document.getElementsByClassName('CoreLayout-header')[0]; h.parentElement.removeChild(h); }catch(e){}
5 try { var h = document.getElementsByClassName('TweetPermalink-replyBox')[0]; h.parentElement.removeChild(h); }catch(e){}
7 try { document.getElementsByClassName('CoreLayout--fixedHeader')[0].className = ''; }catch(e){}