body {
	background: url(../img/indexbg.webp) no-repeat center fixed;
	background-size: cover;
}
.buton {
	opacity: 0.9;
	box-shadow: black 0px 0px 30px;
}
.buton:hover {
	opacity: 10;
	box-shadow: black 0px 0px 30px;
}