JSFiddle - React, Tailwind, and code Playground
HTML
<div class="contact-form">
<form>
<div>
<input type="text" name="name" placeholder="Name" class="contact-textbox">
</div>
<div>
<input type="email" name="email" placeholder="eMail Adresse" class="contact-textbox">
</div>
<div>
<input type="text" name="betreff" placeholder="Betreff" class="contact-textbox">
</div>
<div>
<textarea name="nachricht" placeholder="Nachricht" class="contact-textbox"></textarea>
<input type="submit" name="message" value="Nachricht abschicken" class="contact-button">
</div>
</form>
</div>