JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<body>
	<div class="site-header">
		<div class="menu">
			<img src="img/logo.png">
			<div class="nav">
				<ul class="linenav">
					<li><a href="#">О проекте</a></li>
					<li><a href="#">Изменения</a></li>
					<li><a href="#">Связаться</a></li>
				</ul>
			</div>
		</div>
	</div>
	<div class="info-container">
		<div class="info-block">
			<h1 class="headtext">Текст</h1>
			<h1 class="bodytext">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</h1>
		</div>
	</div>
	<div class="ann-container">
		<div class="announce">Произвольный текст.</div>
	</div>
</body>
</html>

CSS

* { 
	color: #fff;
	margin: 0; 
	padding: 0;
	}
a:link {
	color: #fff;
	}
.site-header {
	height: 80px;
	width: 100%;
	background-color: #000;
	}
.menu {
	padding: 15px 0 15px 0;
	width: 960px;
	height: 50px;
	margin: 0 auto;
	}
.menu img {
	padding: 4px 0 0 0;
	margin: 0 0 0 20px;
	}
.nav {
	float: right;
	padding: 16px 60px 0 0;
	}
	.nav ul.linenav li {
	display: inline;
	margin: 20px;
    border: 0;
	}
.info-container {
	width: 100%;
	background-color: #e02f30;
	}
.info-block {
	float: center;
	width: 960px;
	margin: auto;
	padding: 40px 0 40px 0;
	}
.info-block h1.headtext {
	margin: 0 0 0 20px;
	font-weight: bold;
	font-size: 3em;
	}
	
.info-block h1.bodytext {
	margin: 20px 0 0 20px;
	font-weight: inherit;
	font-size: 1em;
	}
.ann-container {
	width: 100%;
	padding: 20px 0 20px 0;
	background: #000;
	}
.ann-container .announce {
	font-size: 1.7em;
	font-weight: bold;
	text-align: center;
	}