.w-40 {
	width: 40%;
}

button.exo-button-dark-bg {
	border: 1px solid black;
	width: 100%;
	padding: 0.5rem 1.7rem;
	margin: 0 auto;
	color: white;
	background-color: black;
}

button.exo-button-dark-bg:hover {
	color: black;
	background-color: white;
}

.back-btn:hover {
	color: grey;
}

.btn:focus {
    outline: 0;
    box-shadow: none;
}