<form action="sign.php" method="post" name="form1" target="_self" class="container px-md-4 shadow">
<h1>Sign in</h1><hr>
<p>Your name<br><input name="name" type="text" size="20"></p><img src="./img/lock.svg">
<p>Your password<br><input name="pas" type="text" size="20"></p>
<p><input name="submit" type="submit" value="Send" class="btn btn-primary waves-effect waves-light"></p>
</form>