.box1, .box2, .box3, .box4 {
	background-repeat: no-repeat;
	/* background-size: cover; */
	background-position: center;
}
.box1 {
	height: 761px;
}
.box2 {
	height: 650px;
}
.box3 {
	height: 931px;
}

.txt {
	display: none;
}