Raspberry Pi Relay HTML On/Off

<p style="font-size:30px;">Light Control</p>

<form action="cgi-bin/lighton"
      method="POST">
<input type="submit" style="border:1px solid #000; font-size:50px;" value="On">
</form>
<form action="cgi-bin/lightoff"
      method="POST">
<input type="submit" style="border:1px solid #000; font-size:50px;" value="Off">
</form>