JSFiddle - React, Tailwind, and code Playground

HTML

<body>

<div class="wrapper">
	
	<div class="topline">
		<div class="topline-child">
		</div>
	</div><!-- .topline-->
	
	<header class="header">
		<div class="header-child">
			<p>LOGO:</p>
		</div>
	</header><!-- .header-->

	<div class="nav">
	<div class="menu">
		<ul class="menu-ul">
			<li><a href="/">Главная</a></li>
			<li><a href="#">О нас</a></li>
			<li><a href="#">О сервисе</a></li>
			<li><a href="#">Магазин</a></li>
			<li><a href="#">Блог</a></li>
			<li><a href="#">Функции</a></li>
			<li><a href="#">Контакты</a></li>
		</ul>
		</div>
	</div><!-- .nav-->

	<main class="content">
	</main><!-- .content -->

</div><!-- .wrapper -->

<footer class="footer">
	<div class="header-child">
			<p>Footer:</p>
		</div>
</footer><!-- .footer -->

</body>

CSS

@import url(http://fonts.googleapis.com/css?family=Roboto+Condensed:400,700&subset=latin,cyrillic); /* Roboto Condensed */
@font-face {
    font-family: PF_Din_Text_Comp_Pro_Regular; 
	src: url(fonts/PF_Din_Text_Comp_Pro_Regular.ttf);
}

/* Eric Meyer's CSS Reset */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}
/* End of Eric Meyer's CSS Reset */

html {
	height: 100%;
}
article, aside, details, figcaption, figure, footer, header, hgroup, main, nav, section, summary {
	display: block;
}
body {
	font: 12px/18px Arial, sans-serif;
	height: 100%;
}

p {
    font-family: "Roboto Condensed", sans-serif;
    font-weight: 400;
    font-size: 14px;
    line-height: 20px;
    color: #333333;
	padding: 20px 0 0 20px;
}

.wrapper {
	width: 100%;
	min-width: 980px;
	min-height: 100%;
	height: auto !important;
	height: 100%;
}

/* Topline
-----------------------------------------------------------------------------*/
.topline {
	height: 45px;
	background: #333333;
	width: 100%;
}

.topline-child {
	height: 45px;
	background:...