You can you bootstrap form so it will look effective
http://jsfiddle.net/KyleMit/0fscmf3L/
Try this one
It has html and css both code so you just need to integrate it and you can open you form on same page and in popup
HTML code
<!-- Button trigger modal -->
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModalHorizontal">
Launch Horizontal Form
</button>
<!-- Modal -->
<div class="modal fade" id="myModalHorizontal" tabindex="-1" role="dialog"
aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<!-- Modal Header -->
<div class="modal-header">
<button type="button" class="close"
data-dismiss="modal">
<span aria-hidden="true">×</span>
<span class="sr-only">Close</span>
</button>
<h4 class="modal-title" id="myModalLabel">
Modal title
</h4>
</div>
<!-- Modal Body -->
<div class="modal-body">
<form class="form-horizontal" role="form">
<div class="form-group">
<label class="col-sm-2 control-label"
for="inputEmail3">Email</label>
<div class="col-sm-10">
<input type="email" class="form-control"
id="inputEmail3" placeholder="Email"/>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label"
for="inputPassword3" >Password</label>
<div class="col-sm-10">
<input type="password" class="form-control"
id="inputPassword3" placeholder="Password"/>
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<div class="checkbox">
<label>
<input type="checkbox"/> Remember me
</label>
</div>
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<button type="submit" class="btn btn-default">Sign in</button>
</div>
</div>
</form>
</div>
<!-- Modal Footer -->
<div class="modal-footer">
<button type="button" class="btn btn-default"
data-dismiss="modal">
Close
</button>
<button type="button" class="btn btn-primary">
Save changes
</button>
</div>
</div>
</div>
</div>
<!-- Button trigger modal -->
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModalNorm">
Launch Normal Form
</button>
<!-- Modal -->
<div class="modal fade" id="myModalNorm" tabindex="-1" role="dialog"
aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<!-- Modal Header -->
<div class="modal-header">
<button type="button" class="close"
data-dismiss="modal">
<span aria-hidden="true">×</span>
<span class="sr-only">Close</span>
</button>
<h4 class="modal-title" id="myModalLabel">
Modal title
</h4>
</div>
<!-- Modal Body -->
<div class="modal-body">
<form role="form">
<div class="form-group">
<label for="exampleInputEmail1">Email address</label>
<input type="email" class="form-control"
id="exampleInputEmail1" placeholder="Enter email"/>
</div>
<div class="form-group">
<label for="exampleInputPassword1">Password</label>
<input type="password" class="form-control"
id="exampleInputPassword1" placeholder="Password"/>
</div>
<div class="checkbox">
<label>
<input type="checkbox"/> Check me out
</label>
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
</div>
<!-- Modal Footer -->
<div class="modal-footer">
<button type="button" class="btn btn-default"
data-dismiss="modal">
Close
</button>
<button type="button" class="btn btn-primary">
Save changes
</button>
</div>
</div>
</div>
</div>
<!-- Post Info -->
<div style='position:fixed;bottom:0;left:0; background:lightgray;width:100%;'>
About this SO Question:
<a href='http://stackoverflow.com/q/26562900/1366033'>
Twitter Bootstap - form in Modal fomatting
</a><br/>
Fork This Skeleton Here:
<a href='http://jsfiddle.net/KyleMit/kcpma/'>
Bootstrap 3 Skeleton
</a><br/>
</div>
css code
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
Hope this might help you