Please help me to figure out my error. It seems to be correct but I can't get the values inside my form.
<form action="validate.php" id="form">
<input type="text" name="email" placeholder="Email" required>
<input type="text" name="name" class="transparent form-group col-sm-5 col-xs-offset-1" placeholder="Name" required><br>
<input type="text" name="company" class="transparent form-group col-sm-6" placeholder="Company" required>
<input type="text" name="contact" class="transparent form-group col-sm-5 col-xs-offset-1" placeholder="Contact No." required>
<textarea id="message" name="message" placeholder="Message" rows="4" cols="54" required></textarea>
<input type="image" src="img/send_btn.png" alt="Submit" class="pull-right">
</form>
validate.php
<?php
$email = $_POST['email'];
$content = $_POST['message'];
$name = $_POST['name'];
$company = $_POST['company'];
$contact = $_POST['contact'];
?>