* {
	box-sizing: border-box;
}

body {
	margin: 0 auto;
	background-color: #202020;
	color: #fff;
	font-family: 'Lato', sans-serif;
}

div#logo {
	display: block;
	width: 100%;
	height: 240px;
	background-image: linear-gradient(to right, #fff, #fff, #262626);
	padding: 30px 0;
	text-align: left;
}

div#logo > span {
	color: #262626;
	font-size: 70px;
	padding: 50px 70px;
	float: left;
}

div#logo > img {
	height: 100%;
	margin-left: 70px;
	float: left;
}

nav {
	display: block;
	width: 300px;
	height: calc(100vh - 200px);
	background-color: #2f2f2f;
	padding: 20px;
	float: left;
}

nav > details {
	position: absolute;
	bottom: 10px;
	left: 10px;
}

nav > details > p {
	text-indent: 18px;
	line-height: 4px;
}

nav > span {
	display: block;
	font-size: 18px;
	background-color: #555;
	color: #fed11a;
	padding: 10px;
	width: 260px;
	margin-top: 30px;
	text-align: center;
	cursor: pointer;
	filter: brightness(100%);
}

nav > span:hover {
	filter: brightness(70%);
}

iframe {
	display: none;
	width: calc(100% - 380px);
	height: calc(100vh - 300px);
	border: 4px solid #fed11a;
	background-color: #262626;
	margin: 50px 40px;
	float: left;
	z-index: 100;
}

div#picture {
	display: block;
	position: absolute;
	bottom: 0;
	right: 0;
	width: 1040px;
	height: calc(100% - 260px);
}

div#picture > img {
	height: calc(100%);
}