body {
	font-family: georgia, 'times new roman', times, serif;
	font-size: 100%;
	background-color: #fff;
	color: #43453A;
	margin: 0;
}

header {
	margin: 6rem auto;
}

a {
	display: block;
	color: #2C7D61;
	text-decoration: none; 
}

a:hover {
	color: #932a29; 
}

h1 {
	text-transform: uppercase;
	font-weight: normal;
	font-size: 2.4rem;
	letter-spacing: 3px;
	color: #575A4A;
	line-height: 1em; 
}

nav ul {
	list-style-type: none;
	font-family: verdana, helvetica, arial, sans-serif;
	font-size: 0.72em;
	font-weight: normal;
	text-transform: uppercase;
	letter-spacing: 1.5px;
	padding: 0;
	margin: 0.3rem 0;
	display: inline-block;
	text-align: center; 
}

nav li {
	float: left;
	border-right: 1px solid #000;
	padding: 0 1.25rem;
	line-height: 0.75rem;
	height: 0.75rem;
	margin: 0.2rem 0;
}

nav li:last-child {
	border-right: none;
}

.intro {
	margin: 3rem;
}

.A header {
	width: 920px;
}

.B {
	margin: 0 1.5rem;
}

@supports (display: grid) {
	.C header {
		/* autoprefixer: off */
		margin: 0 1rem;
		display: grid;
		grid-template-rows: 2fr minmax(150px, 500px) max-content auto 1fr;
		justify-items: center;
		height: 100vh;
	}

	.D header {
		margin: 0 1rem;
		display: grid;
		grid-template-columns: 1fr 800px 1fr;
		justify-items: center;
	}

	@media (max-height: 980px) {
		.C {
			height: 100vh;
		}
	}

	.C img {
		/* autoprefixer: off */
		grid-row: 2;
		height: 100%;
	}

	.C h1 {
		/* autoprefixer: off */
		grid-row: 3;
	}

	.D h1 {
		grid-column: 2;
		grid-row: 1;
	}

	.C nav {
		/* autoprefixer: off */
		grid-row: 4;
	}

	.D nav {
		grid-column: 2;
		grid-row: 2;
	}

	.C ul,
	.D ul {
		display: -webkit-box;
		display: -ms-flexbox;
		display: flex;
		-ms-flex-wrap: wrap;
				flex-wrap: wrap;
		margin-bottom: 3em;
	}

	.D ul {
		margin-bottom: 2em;
	}
	.C li,
	.D li {
		float: none;
	} 

	.D div {
		grid-column: 2;
	}

	.D p {
		line-height: 2em;
	}
}

.partners {
	display: grid;
	grid-columns: 1fr 1fr 1fr;
	margin: 0 4rem;
	justify-items: center;
}

.partner {
	width: 150px;
	align-self: center;
}

.partner1 {
	grid-column: 1;
}
.partner2 {
	grid-column: 2;
}
.partner3 {
	grid-column: 3;
}