unction randomColor() {
var r = Math.floor(Math.random() * (256))
var g = Math.floor(Math.random() * (256))
var b = Math.floor(Math.random() * (256))
return '#' + r.toString(16).padStart('0',2) + g.toString(16).padStart('0',2) + b.toString(16).padStart('0',2);