html{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body{
	margin: 0;
	padding: 0px 15px;
	font-size: 15px;
	line-height: 1.4;
	font-family: Tahoma, Arial, Verdana;
	box-sizing: border-box;
}

/* close icon */
.close {
	display: inline-block;
	position: relative;
	padding: 0px;
	width: 1.5em;
	cursor: pointer;
	color: black;
	text-decoration: none;
	line-height: 0.7;
	text-align: center;
	font-size: 30px;
	font-weight: normal;
	z-index: 10;
	float: right;
	/* sticky */
	position: fixed;
	top: -4px;
	right: -2px;
	color: rgba(0,0,0,0.6);
	font-size: 40px;
	width: auto;
	padding: 8px;
	background-color: rgba(255,255,255,0.6);
	border-radius: 5px;
}