Bookshelf 📚
https://www.dwitter.net/d/23260
for(t?X-=w+9:X=a=2e3,w=S(t*=k=a)*43+99;--k;x.fillRect(X+l*2-(q?k%3?0:w:w-8),900+l,q?8:w,t*t%99-800-z))q=k%3!=1,l=(99+t**6%29)*(1-k/a),z=(q|k<2)*9,x.fillStyle=`hsl(${t*t} ${z*6}%${q?25:85-l/3}%`;
https://www.dwitter.net/d/23260
for(t?X-=w+9:X=a=2e3,w=S(t*=k=a)*43+99;--k;x.fillRect(X+l*2-(q?k%3?0:w:w-8),900+l,q?8:w,t*t%99-800-z))q=k%3!=1,l=(99+t**6%29)*(1-k/a),z=(q|k<2)*9,x.fillStyle=`hsl(${t*t} ${z*6}%${q?25:85-l/3}%`;