JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper-landing">
    <div class="box-row">
        <div class="box-form-body">
            <h4>See What You're Missing</h4>
        </div>
        <div class="box-form-button">
            <img src="http://www.ei.edu/wp-content/uploads/2013/03/button_submit.jpg" />
        </div>
    </div>
</div>

CSS

#wrapper-landing {
	width: 916px;
    margin: 0 auto 50px auto;
    padding: 0;
}

.box-form-body {
float: left;
display: block;
width: 75%;
        padding: 0 0 0 2em;
        border:1px solid #e2e3e4;
}

h4 {
font-family: "HelveticaNeueW01-75Bold",Helvetica,"Helvetica Neue",Arial,sans-serif;
font-weight: normal;
}

.box-form-button {
float: left;
display: block;
width: 15%;
    border:1px solid #e2e3e4;
    padding: 0 0 0 3em;
}

.box-row {
width:100%;
    padding:10px;
    border:1px solid #e2e3e4;
    margin:0px;
    overflow: hidden;
    background-color:#f66511;
}