JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0">
	</head>
	<body>
		<div class="header-links">
			<div class="container">
				<div class="header-social-btns">
					<a href="#" class="header-link social__tw"></a>
				</div>
				
				<form>
					Search Google:
					<input type="search" name="googlesearch">
				</form>
			</div>
		</div>
	</body>
</html>

CSS

.container{
	max-width: 800px;
	margin: 0 auto;
	height: 100%;
}

.header-social-btns{
	float: right;
}

.header-links{
	height: 40px;
}

.header-social-btns{
	height: 100%;
}

.social__tw{
	background: url('http://igorphp.smoky.kiev.ua/f1/header-social-btns.png') 6px 7px no-repeat;
}

a.social__tw:hover{
	background: url('http://igorphp.smoky.kiev.ua/f1/header-social-btns.png') 6px -39px no-repeat;
}

.header-link{
	float: left;
	width: 40px;
	border-right: 1px solid #eeeeef;
	border-left: 1px solid #eeeeef;
	height: 100%;
	-webkit-transition: all ease-out 0.2s;
	-moz-transition: all ease-out 0.2s;
	-o-transition: all ease-out 0.2s;
	-ms-transition: all ease-out 0.2s;
	transition: all ease-out 0.2s;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
}