bk-dss/static/css/style.css

html {
	box-sizing: border-box;
}

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

body{
	margin: 10px auto;
	max-width: 60em;
	font-family: sans-serif;
	color: #111111;
}

header, nav, nav a, main, article, section, aside, footer {
	border: 1px solid;
	padding: 10px;
	margin: 10px;
}

header {
	background: #F7F7F7;
	border-color: #DDDDDD;
}

header img {
	width: 13em;
	height: 5em;
	margin-right: 50px;
	float: left;
}

nav {
	font-size: 0.91em;
	float: left;
	width: 15em;
	padding: 0;
	margin-top: 0;
	background: #E6E6E6;
	border-color: #CCCCCC;
}

nav ul {
	padding:0;
}

nav li {
	list-style: none;
	margin: 0;
	padding: 0.5em;
}

nav a {
	display: block;
	padding: 0.2em 10px;
	font-weight: bold;
	text-decoration: none;
	background-color: #e7c157;
	color: #333;
}

nav ul a:hover,
nav ul a:active  {
	color: #fffbf0;
	background-color: #dfac20;;
}

main {
	background: #D5D5D5;
	border-color: #BBBBBB;
	margin-left: 15em;
	min-width: 16em;
}

section {
	background: #F1F3F4;
	border-color: slateblue;
}

footer {
	background: #C4C4C4;
	border-color: #AAAAAA;
	clear: both;
}

footer a, footer p {
	margin: 0;
}

* {
	box-shadow: none!important;
}