html,
body {
	margin: 0;
	padding: 0;
}
#title {
	color: blue;
}
#stayup {
	color: red;
}

#text {
	color: yellow;
}
.box {
	width: 100px;
	height: 100px;
}
.bulk {
	width= 1920px;
	height: 2160px;
}

.banner {

	width: 1920px;
	height: 100px;
}

.red_box {
	background-color: red;
}

.blue_box {
	background-color: blue;
}

.black_box{
	background-color: black;
}