Bootstrap Login form -sample-

<div class="container">
  <h2>Modal Login Example</h2>
  <!-- Trigger the modal with a button -->
  <button type="button" class="btn btn-default btn-lg" id="myBtn">
<span class="glyphicon glyphicon-user"/>
Login</button>

  <!-- Modal -->
  <div class="modal fade" id="myModal" role="dialog">
    <div class="modal-dialog">
   
      <!-- Modal content-->
      <div class="modal-content">
        <div class="modal-header" style="padding:35px 50px;">
          <button type="button" class="close" data-dismiss="modal">&times;</button>
          <h4><span class="glyphicon glyphicon-lock"></span> Login</h4>
        </div>
        <div class="modal-body" style="padding:40px 50px;">

<form role="form">
<div class="form-group">
<label for="usrname"><span class="glyphicon glyphicon-user"></span>Username</label>
<input type="text" class="form-control" id="usrname" placeholder="Enter email">
</div>
<div class="form-group">
<label for="psw"><span class="glyphicon glyphicon-eye-open"></span>Password</label>
<input type="text" class="form-control" id="psw" placeholder="Enter password">
</div>
<div class="checkbox">
<label>
<input type="checkbox" value="" checked>Remember me</label>
</div>
<button type="submit" class="btn btn-success btn-block"><span class="glyphicon glyphicon-off"></span>Login</button>
</form>

        </div>
        <div class="modal-footer">
          <button type="submit" class="btn btn-danger btn-default pull-left" data-dismiss="modal">
<span class="glyphicon glyphicon-remove"></span> Cancel</button>
          <p>Not a member? <a href="#">Sign Up</a></p>
          <p>Forgot <a href="#">Password?</a></p>
        </div>
      </div>
     
    </div>
  </div>
</div>

<script>
$(document).ready(function(){
    $("#myBtn").click(function(){
        $("#myModal").modal();
    });
});
</script>