html, body {
	margin: 0 auto; 
	padding: 0; 
	max-width: 540px; 
	overflow: hidden; 
}

.popstar {
	position: relative; 
	width: 100%; 
	height: auto; 
}

.popstar_menu {
	position: absolute; 
	top: 0;
	left: 0; 
	width: 100%; 
	height: 100%; 
	overflow: hidden; 
	transform: translate3d(0, 0, 0);
	transition: transform .3s ease;
}

.popstar_menu.hide {
	transform: translate3d(-100%, 0, 0);
}

.popstar_high_score {
	font-size: 16px; 
	color: #fff; 
	text-align: center; 
	margin: 20px auto 80px; 
	height: 24px; 
}

.popstar_btn, .popstar_btn:hover, .popstar_btn:visited {
	display: block; 
	width: 250px; 
	height: 40px; 
	line-height: 40px; 
	color: #fff; 
	font-size: 20px; 
	text-align: center; 
	text-decoration: none; 
	margin: 15px auto;
	border-radius: 20px; 
	background-color: #6190e8; 
	text-shadow: 2px 2px 5px #000; 
	box-shadow: inset -2px -2px 8px rgba(255, 255, 255, .3); 
}

.popstar_btn.disabled, .popstar_btn.disabled:hover, .popstar_btn.disabled:visited {
	opacity: .8; 
}

.popstar_ad {
	position: fixed; 
	width: 300px; 
	height: auto; 
	top: 50%; 
	left: 50%; 
	transform: translate(-50%, -50%); 
	display: none; 
}

.popstar_ad img {
	display: block; 
	width: 100%; 
	margin: auto; 
}

.popstar_ad_close {
	position: absolute; 
	width: 24px; 
	height: 24px; 
	background-color: rgba(0, 0, 0, .5); 
	top: -12px; 
	right: -12px; 
	border-radius: 100%; 
	border: 1px solid rgba(255, 255, 255, 1);
}

.popstar_ad_close::before, .popstar_ad_close::after {
	content: ''; 
	position: absolute; 
	width: 16px; 
	height: 1px; 
	left: 4px; 
	top: 11px; 
	background-color: #fff; 
	transform: rotateZ(45deg);
}

.popstar_ad_close::after {
	transform: rotateZ(-45deg);
}