JSFiddle - React, Tailwind, and code Playground

HTML

<form action="submit.php" name="contact-form" id="contact-form" method="post">
    <input name="name" placeholder="Name" type="text" id="name" required />
    <input name="email" placeholder="Email" type="email" id="email" required />
    <textarea name="message" placeholder="Message" id="message" required></textarea>
    <input type="file" id="upload-file" accept="image/*" />
    <div class="clear"></div>
    <input type="checkbox" id="copy" name="copy" />
    <label for="copy">Send a copy to my email</label>
    <div class="clear"></div>
	<input type="submit" value="Submit" form="contact-form" name="submit-form" />
</form>

CSS

input {
    display: block;
    clear: both;
}
.clear {
    display: block;
    width: 100%;
    margin: 30px 0;
    content: "";
}