<form>
<div class="row g-3">
<div class="col-12 col-sm-6">
<input type="text" name="name" placeholder="Name" required>
</div>
<div class="col-12 col-sm-6">
<input type="email" name="email" placeholder="E-Mail" required>
</div>
</div>
<input type="text" name="subject" placeholder="Subject" required>
<textarea name="message" placeholder="Message"></textarea>
<button type="submit" class="button button-lg button-rounded button-dark">Submit</button>
</form>
<form class="style-2">
<div class="row g-3">
<div class="col-12 col-sm-6">
<input type="text" name="name" placeholder="Name" required>
</div>
<div class="col-12 col-sm-6">
<input type="email" name="email" placeholder="E-Mail" required>
</div>
</div>
<input type="text" name="subject" placeholder="Subject" required>
<textarea name="message" placeholder="Message"></textarea>
<button type="submit" class="button button-lg button-rounded button-dark">Submit</button>
</form>
<form class="style-3">
<div class="row g-3">
<div class="col-12 col-sm-6">
<input type="text" name="name" placeholder="Name" required>
</div>
<div class="col-12 col-sm-6">
<input type="email" name="email" placeholder="E-Mail" required>
</div>
</div>
<input type="text" name="subject" placeholder="Subject" required>
<textarea name="message" placeholder="Message"></textarea>
<button type="submit" class="button button-lg button-rounded button-dark">Submit</button>
</form>