function fn(){function a(a,b){if(2>arguments.length&&(b=a,a=0),a>b){var c=b;b=a,a=c}return Math.floor(Math.random()*(b-a+1))+a}function b(a,b){var c=Math.max(a,b),d=Math.round(Math.sqrt(c*c+c*c));return d/2}function c(){ctx.globalCompositeOperation="source-over",ctx.globalAlpha=.8,ctx.fillStyle="hsla("+hue+", 64%, 6%, 1)",ctx.fillRect(0,0,w,h),ctx.globalCompositeOperation="lighter";for(var a=1,b=stars.length;a<b;a++)stars[a].draw();window.requestAnimationFrame(c)}window.requestAnimFrame=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(a){window.setTimeout(a,1e3/60)}}();var d=document.createElement("canvas");d.classList="background",document.getElementById("canvasContainer").appendChild(d),ctx=d.getContext("2d"),w=d.width=window.innerWidth,h=d.height=window.innerHeight,hue=217,stars=[],count=0,maxStars=1200;var e=document.createElement("canvas"),f=e.getContext("2d");document.getElementById("canvasContainer").appendChild(e),e.width=100,e.height=100;var g=e.width/2,j=f.createRadialGradient(g,g,0,g,g,g);j.addColorStop(.025,"#fff"),j.addColorStop(.1,"hsl("+hue+", 61%, 33%)"),j.addColorStop(.25,"hsl("+hue+", 64%, 6%)"),j.addColorStop(1,"transparent"),f.fillStyle=j,f.beginPath(),f.arc(g,g,g,0,2*Math.PI),f.fill();var k=function(){this.orbitRadius=a(b(w,h)),this.radius=a(60,this.orbitRadius)/12,this.orbitX=w/2,this.orbitY=h/2,this.timePassed=a(0,maxStars),this.speed=a(this.orbitRadius)/9e5,this.alpha=a(2,10)/10,count++,stars[count]=this};k.prototype.draw=function(){var b=Math.sin(this.timePassed)*this.orbitRadius+this.orbitX,c=Math.cos(this.timePassed)*this.orbitRadius+this.orbitY,d=a(10);1===d&&0<this.alpha?this.alpha-=.05:2===d&&1>this.alpha&&(this.alpha+=.05),ctx.globalAlpha=this.alpha,ctx.drawImage(e,b-this.radius/2,c-this.radius/2,this.radius,this.radius),this.timePassed+=this.speed};for(var l=0;l<maxStars;l++)new k;c()}fn();