style.css

body {
	margin: 0;
	padding: 0;
	background: #fff;
	color: #000;
	font-size: 13px;
	font-family: -apple-system, BlinkMacSystemFont, Roboto, Helvetica Neue, sans-serif;
	line-height: 1.154;
	font-weight: 400;
}

.wrap {
	max-width: 800px;
	width: 100%;
	margin: 0 auto;
	padding: 10px 10px 100px;
	text-align: center
}

.main {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	right: 0;
	bottom: 0;
	display: -ms-flexbox;
	display: flex;
	-ms-flex-align: center;
	align-items: center;
	-ms-flex-pack: center;
	justify-content: center
}

.Button {
	font-family: -apple-system, BlinkMacSystemFont, Roboto, Helvetica Neue, sans-serif;
	font-size: 12.5px;
	font-weight: 400;
	line-height: 15px;
	-webkit-font-smoothing: subpixel-antialiased;
	-moz-osx-font-smoothing: auto;
	display: inline-block;
	margin: 0;
	padding: 7px 16px 8px;
	zoom: 1;
	cursor: pointer;
	white-space: nowrap;
	outline: none;
	vertical-align: top;
	text-align: center;
	color: #fff;
	border: 0;
	border-radius: 4px;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	background: none;
	background-color: #5181b8;
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none
}

.Button,
.Button:hover {
	text-decoration: none
}

.Button:active {
	padding-top: 8px;
	padding-bottom: 7px
}

.Button:disabled {
	opacity: .5;
	cursor: default
}

.Button-secondary {
	color: #55677d;
	background-color: #e5ebf1
}