day = new Date()
hr = day.getHours()
if (hr >= 2 && hr <= 7) {
    document.write('<link href="gray.css" rel="stylesheet" type="text/css" media="screen" />')}
	
if (hr >= 8 && hr <= 13) {
    document.write('<link href="pink.css" rel="stylesheet" type="text/css" media="screen" />')}	

if (hr >= 14 && hr <= 19) {
    document.write('<link href="brown.css" rel="stylesheet" type="text/css" media="screen" />')}
	
if (hr >= 20 && hr <= 23) {
    document.write('<link href="roxo.css" rel="stylesheet" type="text/css" media="screen" />')}
	
if (hr >= 0 && hr <= 1) {
    document.write('<link href="roxo.css" rel="stylesheet" type="text/css" media="screen" />')}