JSFiddle - React, Tailwind, and code Playground

HTML

<div id="body_box_form">
<br />
<br />
    <div id="form_body">
    <br />
        <div id="left_form_body">
            <h1><center><strong>Application</strong></center></h1>
            <br />
            <div class="form_titles">
            <strong>
            <br /><br />
                Business/Brand Name:<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
                Business Type:<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
                First Name:<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
                Last Name:<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
                E-mail:<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
                Existing Website (if any):<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
            </strong>
            </div>
            <div class="form_inputs">
                   <form method="post" action="form.php">
                <input type="text" name="brandname" placeholder="Brand Name" maxlength="40" value="" onclick="this.placeholder=''" onblur="this.placeholder=!this.placeholder?'Brand Name':this.placeholder;" autofocus="autofocus" required="required"/><br /><br />

                <!--Business Type -->
                Business <input type="radio" name="businesstype" value="Business" />
                Brand <input type="radio" name="businesstype" value="Brand" />
                Individual <input type="radio" name="businesstype" value="Individual" />
                Other <input type="radio" name="businesstype" value="Other" />
                <!--End Business Type -->
                
                <br /><br />
                <input type="text" name="firstname"...

CSS

#form_body{
    width:90%;
    height:90%;
    border:5px solid white;
    border-radius:1em;
    -moz-border-radius: 1em;
    }

#form_body input {
    -webkit-border-radius: 5px; 
    -moz-border-radius: 5px; 
    border-radius: 5px;
    font-size:18px;
    background-image:url(../pics/textbg.png);
    background-repeat:repeat-x;
    }

#form_body input:focus{
    outline:none;
    }

#form_body textarea{
    outline:none;
    -webkit-border-radius: 5px; 
    -moz-border-radius: 5px; 
    border-radius: 5px;
    font-size:18px;
    background-image:url(../pics/textbg.png);
    background-repeat:repeat-x;
    }

#left_form_body{
    border:1px solid white;
    margin-top:-20px;
    height:100%;
    width:74%;
    float:left;
    }

#right_form_body{
    border:1px solid red;
    margin-top:-20px;
    width:25%;
    height:100%;
    float:right;
    }

.form_titles{
    float:left;
    height:100%;
    margin-top:10px;
    margin-left:50px;
    font-size:18px;
    line-height:3px;
    }

.form_inputs{
    height:100%;
    }