body {
	font-family: "Open Sans", "Muli", "Arial", sans-serif;
	margin: 0;
	padding: 0;
	background-image: url("../img/buch.png");
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
}

* {
	box-sizing: border-box;
}

.fullscreen {
	position: relative;
	top: 0;
	left: 0;
	width: 100%;
	min-height: 100vh;
}

.d-flex {
	display: flex;
}

.flex-left {
	justify-content: flex-start;
}

.flex-bottom {
	align-items: flex-end;
}