* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

body {
	display: flex;
	justify-content: center;
	align-items: start;
	font-family: 'Ubuntu', sans-serif;
	background-color: #fff;
	height: 100vh;
	color: #333;
	font-size: 24px;
}

.box {
	display: flex;
	flex-direction: column;
	justify-content: center;
	width: 600px;
	padding: 20px;
}

.step-box {
	margin-bottom: 5px;
}

.btn-box {
	display: flex;
	justify-content: center;
}

.message-date {
	text-align: center;
	padding-top: 20px;
	font-size: 28px;
}

.btn {
	padding: 10px;
	border-radius: 4px;
	margin: 0 5px;
	cursor: pointer;
}