JSFiddle - React, Tailwind, and code Playground

JavaScript

$(window).load(
function changebackgroundcolor() {
	var values = ["rgb(70,151,233) url(images/bg-tras.png)","rgb(186,218,85) url(images/bg-trass.png)"],
		valueToUse = values[Math.floor(Math.random() * values.lenght)];
	document.body.style.backgroundColor = valueToUse;
	setInterval(changebackgroundcolor,1000);
	});