html, body{
	margin:0px;
	padding:0px;
	background-color: #f0f6ff;
	font-family: 'Bree Serif', serif;
}

.container404{
	margin:0px auto;
	text-align: center;
	width: 100%;
	max-width: 600px;
	height: 100vh;
	vertical-align: middle;
	display: flex;
	justify-content: center;
	/* align-self: center;    <---- REMOVE */
	align-items: center; 
	flex-direction: column;
}

.ilus404{
	width: 80%;
}

.bigTtl{
	font-size: 3.5rem;
	font-weight: bold;
	color: #36a1dd;
}

.ttl{
	font-size: 1.3rem;
	font-weight: bold;
	color: #666;
}

.subTtl{
	font-size: 1rem;
	color: #666;
}

.btn-primary{
	background-color: #36a1dd;
	border-color: #36a1dd;
}