File: demo/theme/style.css

*{box-sizing:border-box}
body{
	background:#f1f1f1;
	margin: 0;
	padding: 0;
	height: 100%;
	width: 100%;
	font-family: 'Open Sans', Arial, sans-serif;
}

div.menu{
	height: 58px;
	line-height: 58px;
	width: 100%;
	background: #fff;
}

div.menu_alan{
	width: 75%;
	margin: 0 auto;
	display: flex;
}

div.menu_alan div.logo{
	margin-right: auto;
	font-weight: 500;
	letter-spacing: 1.8px;
	color: #233463;
	margin-top: -4px;
}

div.menu_alan div.logo sup{
	color: #8c8c8c;
	letter-spacing: normal;
}

div.menu_alan div.link{}

div.menu_alan div.link a{
	text-decoration: none;
	padding: 10px 12px;
}

div.menu_alan div.link a:hover{
	background: #e2e2e2;
}

div.dil_sec{
	width: 400px;
	margin: 50px auto;
	background: #fff;
	border: solid 1px #ddd;
	padding: 0 30px 18px;
	text-align: center;
}

div.box_alan{
	width: 75%;
	margin: 50px auto;
	background: #fff;
	border: solid 1px #ddd;
	padding: 0px 30px;
}

footer{
	text-align: center;
	font-size: 14px;
}