switching/grey.css

/*!** reset ***/

* {

	padding: 0;
	margin: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
	box-sizing: border-box;
	position: relative;	
}

*:before,
*:after {
	box-sizing inherit;
}

*:focus {
	outline none;
}

html, body {
	margin: 0;
	padding: 0;
	font-family: sans-serif;
}

html {
	box-sizing border-box;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section
	display block;

a {
	background-color transparent;
}

a:active,
a:hover {
	outline none;
}

b,
strong {
	font-weight bold;
}

img {
	border 0;
}

.clearfix {
	*zoom: 1;
}

.clearfix:before,
.clearfix:after {
	content: '';
	display: table;
	line-height: 0;
}

.clearfix:after {
	clear: both;
}

.header {
	width: 100%;
	min-height: 50px;

	padding: 5px 20px;

	background-color: rgba(10, 10, 10, .2);
	
	line-height: 40px;

	font-size: 28px;
	font-weight: 800;
	color: #fff;
}

.footer {
	width: 100%;
	min-height: 30px;

	padding: 10px 20px;

	background-color: rgba(10, 10, 10, .1);

	font-size: 14px;
	color: #777;

	text-align: left;
}

.wrap {
	width: 1024px;
	min-height: 100vh;

	margin: 0 auto;

	background-color: rgba(200,200,200,.2);
}

.top-nav {
	width: 100%;

	padding: 10px 5px;

	background-color: rgba(200,200,200,.2);
}

.top-nav__item {
	display: block;

	float: left;

	padding: 10px 15px 12px;

	border-radius: 2px;

	transition: .2s ease;

	font-size: 18px;
	color: #333;
}

.top-nav__item:hover {
	background-color: #3ce;

	color: #fff;
}

.content {
	padding: 20px;

	font-size: 14px;
	color: #333;

	text-align: left;
}

.content h1 {
	margin: 10px 0;

	font-size: 24px;
	font-weight: 600;
	color: #000;
}

.content h2 {
	margin: 10px 0;

	font-size: 22px;
	font-weight: 600;
	color: #000;
}

.content h3 {
	margin: 10px 0;

	font-size: 18px;
	font-weight: 600;
	color: #000;
}

.content h4 {
        margin: 10px 0;

        font-size: 14px;
        font-weight: 600;
        color: #000;
}


.content p {
	margin: 10px 0;
}

.content strong {
	font-weight: 600;
}

.content ul,
.content ol {
	margin: 10px 0;

	list-style-position: inside;
}

.content ul li {
	margin: 5px 0;
}

.content img {
	margin: 10px;
}



/*!** end-reset ***/