[text-center]{
	text-align: center;
}

.alert {
	position: relative;
	padding: .75rem 1.25rem;
	margin-bottom: 1rem;
	margin-top: 1rem;
	border: 1px solid transparent;
	border-radius: .25rem;
}
.alert-warning {
	color: #856404;
	background-color: #fff3cd;
	border-color: #ffeeba;
}
.bd-example>.alert+.alert,
.bd-example>.nav+.nav,
.bd-example>.navbar+.navbar,
.bd-example>.progress+.btn,
.bd-example>.progress+.progress {
	margin-top: 1rem;
}

.alert h4 {
	margin: 0;
	padding: 0;
	text-transform: none;
}