HTML

• CSS Link file:

   <link rel="stylesheet" type="text/css" href="index.css">

• Rediect to another page after submit action:

   <form action="result.php" method="post" id="codered" runat="vdaemon">

• Apply Regex to input:

    <div>
         <lable for="sr">SR Number</lable>
         <input type="text" name="sr" id="SR" placeholder="SR#" maxlength="8" pattern="[7][0-9]{7,}" required title="Enter a valid Case Number">
    </div>

• Code not sure:

          <input type="hidden" name="formID" value="srinfo" />
          <input type="hidden" name="redirect_to" value="view.php" />

• Send Email Link:

<a href="mailto:Amandeep Singh<aman@test.com>?Subject=Application%20Issue%20Report&body=Hi,%0D%0A%0D%0APlease find the below Test application issue report:&cc=Sender2 <sender2@test.com>" target="_top">Here</a>