Here is the form:
<form method="post">
<label class="left margin-left-10">Involve in discussion</label>
<br>
<textarea name="chat" placeholder="Write.." cols="20" wrap="soft" maxlength="1000" class="left"></textarea>
<button name="sendmsg" class="background-none text-white background-primary-hightlight text-s-size-12">Send</button>
<form>