Bookmarklet: toggle website styles

gistfile1.txt

javascript:(function(d,g,a,b,c,e,f,h,n,t,u,w,x){f=function(e,o,k){for(k in o)e.setAttribute(k,o[k])};c=function(e){return d.createElement(e)};n=function(s){return d.createTextNode(s)};a=function(e,c,k){for(k in c)e.appendChild(c[k])};w=c(g);h=c(g);t=n('Toggle Style-Elements');u=c('ul');b=d.querySelector('body');x='position:fixed;top:0;right:0;z-index:99999;margin:0;padding:0;background:#f4fff4;color:#99ad85;font:14px Helvetica,Arial,sans-serif;border:1px solid #bada55;border-top-width:0;border-right-width:0;border-bottom-left-radius:10px;';e=d.getElementById('tcss');if(b&&e)f(e,{style:x+(e.style.display=='none'?'':'display:none')});else if(b){f(w,{id:'tcss',style:x});f(h,{style:'font:20px Georgia,serif;padding:10px;margin:0;background:#dae7da;color:#693'});f(u,{style:'margin:0;padding:10px;list-style-type:disc'});f(u,{style:'margin:0;padding:10px;list-style-type:disc;'});a(b,[w]);a(w,[h,u]);a(h,[t]);[].slice.call(d.styleSheets).forEach(function(s,i,l,m,y,z){y='margin:0 0 0 20px;padding:0;cursor:pointer;line-h