lk | adds some bottom padding to the nav links on bike edit form

app/assets/stylesheets/bikes.css.scss

@@ -1,3 +1,7 @@
 // Place all the styles related to the Bikes controller here.
 // They will automatically be included in application.css.
 // You can use Sass (SCSS) here: http://sass-lang.com/
+
+.bottom-nav-links {
+  padding-bottom: 5rem;
+}

app/views/bikes/edit.html.haml

@@ -5,6 +5,7 @@
     .col-sm-3.col-sm-offset-3
       =button_to "Mark as sold", {action: "mark_as_sold", id: @bike.id}, method: :patch, class: "btn btn-default"
   = render 'edit_form'
+  .bottom-nav-links
     - if @next_bike
       = link_to 'Next Bike', edit_bike_path(@next_bike)
     - else