body{
	background: #494A5F;
	color: #D5D6E2;
	font-weight: 500;
	font-size: 1.05em;
	font-family: "Microsoft YaHei","宋体","Segoe UI", "Lucida Grande", Helvetica, Arial,sans-serif, FreeSans, Arimo;
}
a{color: #2fa0ec;outline: none;text-decoration: none;}
a:hover,a:focus{color:#74777b;text-decoration: none;}

.demo{
	width: 580px;
	margin: 50px auto;
}