JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Careers | Kane Concrete & Construction LLC</title>
	<link rel="stylesheet" href="../css/careers.css">
	<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.6.3/css/all.css" integrity="sha384-UHRtZLI+pbxtHCWp1t77Bi1L4ZtiqrqD80Kn4Z8NTSRyMA2Fd33n5dQ8lWUE00s/" crossorigin="anonymous">
	<link href="https://fonts.googleapis.com/css?family=Arvo|Bitter|Lato|Montserrat|Noto+Sans|Open+Sans|Poppins|Roboto|Sarabun|Ubuntu" rel="stylesheet">
	<link href="https://fonts.googleapis.com/css?family=Raleway" rel="stylesheet">
	<link href="https://fonts.googleapis.com/css?family=Abel|Asap|Krub|Oxygen|Rajdhani|Staatliches|Varela+Round" rel="stylesheet">
</head>
<body>
	<header>
		<div class="wrapper">
			<nav>
				<div class="logo">
					<i class="fab fa-accusoft"></i>
				</div>

				<div class="nav">
					<ul>
						<li class="after"><a href="index.html">Home</a></li>
						<li class="after"><a href="about.html">About</a></li>
						<li class="after"><a href="about.html#services">Services</a></li>
						<li class="after"><a href="careers.html">Careers</a></li>
						<li class="after"><a href="#">Gallery</a></li>
						<li><a href="#">Contact</a></li>
					</ul>
				</div>
			</nav>

			<h1>Join Our Team</h1>
		</div>	
	</header>

	<section class="form">
		<form action="" method="" id="form">
			<div class="row row-1">
				<input type="text" name="First" placeholder="First Name">
				<input type="text" name="Last" placeholder="Last Name" class="middle">
				<input type="text" name="SSN" placeholder="SSN">
			</div>

			<div class="row row-2">
				<input type="text" name="Address" placeholder="Address">
			</div>
			
			<div class="row row-3">
				<input type="text" name="City" placeholder="City">
				<input type="text" name="State" placeholder="State" class="middle">
				<input type="text" name="Zipcode" placeholder="Zipcode">
			</div>

			<div class="row row-4">
				<div class="label"><label...

CSS

html, body {
	margin: 0; 
	padding: 0;
}

header {
	background: blue;
	background-attachment: fixed;
	background-position: center;
	background-size: cover;
	width: 100%;
	height: 65vh;
}

.wrapper{
	width: 100%;
	height: 65vh;
	display: flex;
	justify-content: center;
	align-items: center;
	background-color: rgba(0, 0, 0, 0.2);
}

header h1 {
	color: white;
	font-size: 5rem;
	font-family: 'Arvo';
	margin: 0;
}

nav {
	background-color: white;
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 2;
	box-shadow: 0px 0px 100px grey;
}

li a {
	text-decoration-line: none;
	color: rgba(102,102,102,0.75);
}

.logo, ul {
	flex-basis: 30%;
	list-style-type: none;
}

ul {
	margin-right: 30px;
	margin-top: 25px;
}

li {
	display: inline-block;
	font-size: 1.55rem;
	margin-right: 20px;
	font-family: 'Rajdhani';
}

li a:hover {
	cursor: pointer;
	color: #1a1a1a;
	transition: all 0.7s ease;
}

.after:after {
	position: relative;
	left: 12px;
	top: 2px;
	display: inline-block;
	content: "";
	width: 1px;
	height: 20px;
	background-color: rgba(102,102,102,0.25);
}

.logo {
	color: red;
	font-size: 3.7rem;
	margin: 10px;
	opacity: 1;
	margin-left: 30px;
}

/*---FORM---*/

form {
	border: 1px solid black;
	margin-top: 60px;
	margin-left: 30px;
	margin-right: 30px;
	background-color: rgba(102, 102, 102, 0.15);
	border-radius: 5px;
}

.form h2 {
	font-family: 'Rajdhani';
	color: rgba(102,102,102, 0.85);
	font-size: 3rem;
	text-align: center;
	margin-top: 20px;
	margin-bottom: 20px;
}

.form .row {
	margin: 20px;
	display: flex;
	border: 1px solid red;
}

label, input {
	font-size: 1.3rem;
	font-family: 'Rajdhani';
}

.label {
	background-color: rgba(102, 102, 102, 0.3);
	display: flex;
	justify-content: center;
	align-items: center;
}

.middle {
	margin-left: 15px;
	margin-right: 15px;
}

.row-1 input, .row-3 input {
	flex-basis: 33.33%;
}

.row-2 input {
	width: 100%;
}

.row-4 {
	justify-content:...