body {
	font-family: -apple-system, BlinkMacSystemFont, "Lucida Grande", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", STHeiti, "Microsoft YaHei", "WenQuanYi Micro Hei", "Noto Sans CJK SC", "Source Han Sans CN", SimSun, sans-serif;
}

input,
button,
textarea,
select {
	font-family: inherit;
	font-size: 100%;
}

a {
	color: #3b8bba;
	text-decoration: none;
}

a:hover {
	color: #265778;
}

#nav {
	background: #222;
}

#nav.translucent {
	background: none;
}

#nav a {
	color: #ddd;
	text-decoration: none;
	padding: .5em;
	display: inline-block;
}

#nav a:hover {
	color: #eee;
}

#nav .c7sky-ribbon {
	position: absolute;
	right: 10px;
	top: -3px;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='36' height='56'%3E%3Cdefs%3E%3ClinearGradient id='a' x2='0' y2='56' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%2300bcd4'/%3E%3Cstop offset='1' stop-color='%23008ba3'/%3E%3C/linearGradient%3E%3Cfilter id='b'%3E%3CfeOffset in='SourceAlpha' dy='1'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='.2'/%3E%3C/feComponentTransfer%3E%3CfeBlend in='SourceGraphic'/%3E%3C/filter%3E%3C/defs%3E%3Cpath fill='url(%23a)' d='M0 0v56l18-10 18 10V0H0z'/%3E%3Cpath d='M30 12l-2.57 14.4a11.26 11.26 0 0 1-7.13 8c3.46-5.69 4.36-18.4 4.36-18.4h-7.82c-3.62 0-6.5 3.66-6.5 7.47s3.1 7.22 7 6.88a17.43 17.43 0 0 1-1.82 4.51A11.27 11.27 0 0 1 6 23.47C6 17.13 10.88 12 16.89 12z' fill='%23fff' filter='url(%23b)'/%3E%3C/svg%3E");
	overflow: hidden;
	width: 36px;
	height: 56px;
	padding: 0;
	border-top: 3px solid #00bcd4;
	-webkit-transition: top .3s;
	-moz-transition: top .3s;
	transition: top .3s;
}

#nav .c7sky-ribbon:hover {
	top: 0;
}

#header {
	margin: 0 auto;
	max-width: 100%;
}

#main {
	margin: 0 auto;
	max-width: 50rem;
}

#header {
	margin-bottom: 2rem;
	padding: 2rem 1rem;
	border-bottom: 1px solid #eee;
	text-align: center;
	line-height: 1.5;
	background-color: #159957;
	background-image: linear-gradient(120deg, #5992cc, #37bd7a);
}

#header h1 {
	margin: 0;
	color: #fff;
	font-weight: 300;
	font-size: 300%;
}

#header h2 {
	margin: 0;
	margin-bottom: 2rem;
	color: #ccc;
	font-weight: 300;
	font-size: 125%;
}

.btn {
	display: inline-block;
	margin-bottom: 1rem;
	color: rgba(255, 255, 255, 0.7);
	background-color: rgba(255, 255, 255, 0.08);
	border-color: rgba(255, 255, 255, 0.2);
	border-style: solid;
	border-width: 1px;
	border-radius: 0.3rem;
	transition: color 0.2s, background-color 0.2s, border-color 0.2s;
	padding: 0.6rem 0.9rem;
	font-size: 0.9rem;
}

.btn+.btn {
	margin-left: 1rem;
}

#main {
	padding-left: 10px;
	padding-right: 10px;
}

.adsbygoogle {
	display: block !important;
	margin: 50px auto;
}

@media screen and (min-width: 64em) {
	.btn {
		padding: 0.75rem 1rem;
	}
	#header h1 {
		font-size: 3rem;
	}
	#header h2 {
		font-size: 1.5rem;
	}
}

@media screen and (min-width: 42em) and (max-width: 64em) {
	.btn {
		padding: 0.6rem 0.9rem;
		font-size: 0.9rem;
	}
	#header h1 {
		font-size: 2.5rem;
	}
}

@media screen and (max-width: 42em) {
	#header h1 {
		font-size: 2rem;
	}
	#header h2 {
		font-size: 1rem;
	}
	.btn {
		display: block;
		padding: 0.75rem;
		font-size: 0.9rem;
	}

	.btn+.btn {
		margin-top: 1rem;
		margin-left: 0;
	}
}