JSFiddle - React, Tailwind, and code Playground

HTML

<div id="form">
				<form>
					<div id="LoanAmt">
						<select name="LoanAmt" class="normSelect">
							<option value="" selected="selected">Loan Amount</option>
							<option value="100">$100</option>
							<option value="200">$200</option>
							<option value="300">$300</option>
							<option value="400">$400</option>
							<option value="500">$500</option>
							<option value="600">$600</option>
							<option value="700">$700</option>
							<option value="800">$800</option>
							<option value="900">$900</option>
							<option value="1000">$1000+</option>
						</select>
					</div>

					<div class="clearfloat"></div>
					<div class="fltlft">
						<input class="formBox" name="FirstName" type="text" placeholder="First name" >
					</div>

					<div class="fltrt">
						<input class="formBox" name="LastName" type="text" placeholder="Last name">
					</div>
					<div class="clearfloat"></div>
					<div class="fltlft">
						<input class="formBox" name="Email" type="email" autocomplete="off" placeholder="Email">
					</div>

					<div class="fltrt">
						<input class="formBox" name="Zip" type="text" placeholder="Zip code">
					</div>
					<div class="clearfloat"></div>
					<div class="fltlft">
						<input id="popupDatepicker" class="formBox hasDate" name="DOB" type="text" placeholder="DOB" >
						
					</div>

					<div class="fltrt">
						<select name="AccountType" class="normSelect">
							<option value="" selected="selected">Account Type</option>
							<option value="checking">Checking</option>
							<option value="savings">Savings</option>
							<option value="noaccount">I do not have a bank account</option>
							<option value="none">None of the above</option>
						</select>
					</div>
					<div class="clearfloat"></div>
					<div id="submit">
					<button type="submit">SUBMIT</button>
				</div>

				</form>

CSS

.formBox, .normSelect {
	color: purple;
	font-size: 15px;
    padding: 6px 8px 5px;
    outline-color: transparent;
    -webkit-border-radius: 2px;
    border-radius: 2px;	
}
.formBox {
    width: 200px;
    height: 25px;
}

select  {
    width: 217px;
    height: 35px;
}