app/views/devise/passwords/new.html.erb
<div class="container">
<div id="loginbox" style="margin-top:50px;" class="mainbox col-md-6 col-md-offset-3 col-sm-8 col-sm-offset-2">
<div class="panel panel-info" >
<div class="panel-heading">
<div class="panel-title">Forgot Password</div>
</div>
<div style="padding-top:30px" class="panel-body" >
<div style="display:none" id="login-alert" class="alert alert-danger col-sm-12"></div>
<%= form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :post }, class: "form-horizontal") do |f| %>
<%= devise_error_messages! %>
<div style="margin-bottom: 25px" class="input-group">
<span class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>
<%= f.email_field :email, autofocus: true, class: "form-control", placeholder: "Enter your email" %>
</div>
<div style="margin-top:10px" class="form-group">
<div class="col-sm-12 controls action">
<%= f.submit "Send me reset password instructions", class: "btn btn-success" %>
<%end%>
</div>
</div>
</div>
</div>
</div>
</div>