Bootstrap modal nested model form view messed up - ruby-on-rails

Question

Here is what happens
Here is my views code
Form
<%= simple_form_for([:supplier, #fuel_price],remote: true, :html => {:class => 'form-vertical' }) do |f| %>
<%= f.simple_fields_for :fuel_products do |fuel_products_form| %>
<div class="field">
<%= render partial: 'fuel_products_fields', locals: {f: fuel_products_form} %>
</div>
<% end %>
<%= link_to_add_fields "Add more", f, :fuel_products %>
<div class="modal-footer">
<%= f.button :submit, "Update", class: "btn btn-success"%>
</div>
<%end%>
Fuel Products Field Partial
<div class="col-md-6">
<%= f.input :fuel, label: "Fuel Type", :collection => fuel_types, class: "form-control select",:selected => "87 RFG" %>
</div>
<div class="col-md-3">
<%= f.input :price, class: "form-control", placeholder: "$1.25" %>
</div>
<%= f.hidden_field :_destroy %>
<ul class="list-unstyled">
<li><%= link_to '#', class: "btn btn-danger btn-xs remove_fields" do %>
Remove
<%end%></li>
</ul>
Javascript code
ready = ->
$('#FuelmodelBody').on 'click', '.remove_fields', (event) ->
$(this).prev('input[type=hidden]').val('1')
$(this).closest('.field').hide()
event.preventDefault()
$('#FuelmodelBody').on 'click', '.add_fields', (event) ->
console.log('It is really happening ....')
time = new Date().getTime()
regexp = new RegExp($(this).data('id'), 'g')
$(this).before($(this).data('fields').replace(regexp, time))
event.preventDefault()
$(document).ready(ready)
$(document).on('page:load', ready)
Views Modal code
<div class="modal inmodal" id="newFuelPrice" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content animated bounceInRight">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">
<span aria-hidden="true">×</span>
<span class="sr-only">Close</span>
</button>
<i class="fa fa-usd modal-icon" style="color:#1ab394"></i>
<h4 class="modal-title">Add New Fuel Price</h4>
<span class="font-bold">Your contacts will get text message of your latest price</span>
</br>
<span class="font-bold">As (your fuel price + the formula).</span>
</div>
<div class="modal-body" id="FuelmodelBody">
<!-- form -->
</div>
</div>
</div>
</div>
I also have a helper function for link_to_add_fields
def link_to_add_fields(name, f, association)
# creates a new instance of the 'has_many' object
new_object = f.object.send(association).klass.new
# new_object = f.object.association.klass.new
# f.object.association.klass # => Document
# new_object = f.object.documents.build Document(user_id: f.object.id)
# gets the object id
id = new_object.object_id
# creates a new form for the association
fields = f.fields_for(association, new_object, child_index: id) do |builder|
render(association.to_s + '_fields', f: builder)
end
link_to(name, '#', class: 'add_fields', data: { id: id, fields: fields.delete("\n") })
end
Moving around code since morning and still could not figure out how to fix those buttons by aligning side by add, the add more will also be button in blue, i was just playing around and converted it to link. I am Using simple Form

Answer 1

If you want to align your "Remove" buttons with their corresponding Fuel type and Price fields, then you need to put them all in a single Bootstrap row like so:
<div class="row">
<div class="col-md-6">
<%= f.input :fuel, label: "Fuel Type", :collection => fuel_types, class: "form-control select",:selected => "87 RFG" %>
</div>
<div class="col-md-3">
<%= f.input :price, class: "form-control", placeholder: "$1.25" %>
</div>
<div class="col-md-3">
<%= f.hidden_field :_destroy %>
<ul class="list-unstyled">
<li><%= link_to '#', class: "btn btn-danger btn-xs remove_fields" do %>
Remove
<%end%></li>
</ul>
</div>
</div>
Also, you probably don't need that extra ul tag. It does not carry any additional meaning, since you have just one button in there. It is not a list.
<div class="row">
<div class="col-md-6">
<%= f.input :fuel, label: "Fuel Type", :collection => fuel_types, class: "form-control select",:selected => "87 RFG" %>
</div>
<div class="col-md-3">
<%= f.input :price, class: "form-control", placeholder: "$1.25" %>
</div>
<div class="col-md-3">
<%= f.hidden_field :_destroy %>
<%= link_to 'Remove', '#', class: "btn btn-danger btn-xs remove_fields" %>
</div>
</div>