<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<h2>Ask a Question</h2>
<form class="form-horizontal">
<fieldset>
<!-- Form Name -->
<legend>Please fill the form</legend>
<!-- Text input-->
<div class="form-group">
<label class="col-md-4 control-label" for="Username">Username</label>
<div class="col-md-4">
<input id="Username" name="Username" type="text" placeholder="Enter Your Username" class="form-control input-md fieldPopUp">
</div>
</div>
<!-- Password input-->
<div class="form-group">
<label class="col-md-4 control-label" for="passwordinput">Password</label>
<div class="col-md-4">
<input id="passwordinput" name="passwordinput" type="password" placeholder="Enter your password" class="form-control input-md fieldPopUp">
</div>
</div>
<!-- Select Basic -->
<div class="form-group">
<label class="col-md-4 control-label" for="selectbasic">Select a service</label>
<div class="col-md-4">
<select id="selectbasic" name="selectbasic" class="form-control fieldPopUp">
<option value="Web Desiging">Web Desiging</option>
<option value="Logo">Logo</option>
<option value="Blog">Blog</option>
</select>
</div>
</div>
<!-- Textarea -->
<div class="form-group">
<label class="col-md-4 control-label" for="Question">Write your Question</label>
<div class="col-md-4">
<textarea class="form-control fieldPopUp" id="Question" name="Question">Write your Question</textarea>
</div>
</div>
<!-- Button -->
<div class="form-group">
<label class="col-md-4 control-label" for="singlebutton"></label>
<div class="col-md-4">
<button id="singlebutton" name="singlebutton" class="btn btn-primary">Ask Now</button>
</div>
</div>
</fieldset>
</form>
.fieldPopUp {
webkit-transition: -webkit-transform 1s,opacity 1s,background 1s,width 1s,height 1s,font-size 1s;
-o-transition-property: width,height,-o-transform,background,font-size,opacity;
-o-transition-duration: 1s,1s,1s,1s,1s,1s;
-moz-transition-property: width,height,-o-transform,background,font-size,opacity;
-moz-transition-duration: 1s,1s,1s,1s,1s,1s;
transition-property: width,height,transform,background,font-size,opacity;
transition-duration: 1s,1s,1s,1s,1s,1s;
}
.fieldPopUp:hover
{
width: 250px !important;
height: 50px;
Z-index: 99;
transform: scale(2);
margin-bottom: 20PX;
}