.main-bg-img {
	height: 100vh;
	width: 100vw;
	margin: auto;
}

.main-pre-box {
	position: absolute;
	top: 110px;
	width: 100%;
}

.main-pre-img {
	height: 80vh;
	margin: auto;
}
.img-btns{
	height: 450px;
    width: 1000px;
    position: absolute;
    left: 50%;
    margin-left: -500px;
    top: 10px;
	display: flex;
}
.img-btns a{
	flex: 1
}