Here is the Contact Form 7 template and source code for the Contact form.
To edit this form go to Contact> then edit your targeted form
<div class="row">
<div class="col-lg-12 col-md-12">
<div class="form-group">
[text* uname class:form-control placeholder "Name*"]
</div>
</div>
<div class="col-lg-12 col-md-12">
<div class="form-group">
[email* email class:form-control placeholder "Email Address*"]
</div>
</div>
<div class="col-lg-12 col-md-12">
<div class="form-group">
[text* subject class:form-control placeholder "Subject*"]
</div>
</div>
<div class="col-lg-12 col-md-12">
<div class="form-group">
[text* phone class:form-control placeholder "Phone Number*"]
</div>
</div>
<div class="col-lg-12 col-md-12">
<div class="form-group">
[textarea* umessage rows:4 class:form-control placeholder "Message"]
</div>
</div>
<div class="col-lg-12 col-md-12">
[acceptance acceptance-910] By checking this, you agree to our <a href="https://themes.envytheme.com/lenvo/terms-conditions/">Terms </a> and <a href="https://themes.envytheme.com/lenvo/privacy-policy/">Privacy policy</a> [/acceptance]
</div>
<div class="col-lg-12 col-md-12">
<button type="submit" class="btn btn-primary">Submit Now!</button>
<div id="msgSubmit" class="h3 text-center hidden"></div>
<div class="clearfix"></div>
</div>
</div>