Growstuff/growstuff

.card.col-md-8.col-lg-7.mx-auto.float-none.white.z-depth-1.py-2.px-2
  .card-header
    - if content_for? :title
      %h1.h2-responsive.text-center
        = planting_icon
The = symbol should have one space separating it from code
        %strong=yield :title
  = bootstrap_form_for(@activity) do |f|
    .card-body
      - if @activity.errors.any?
        #error_explanation
          %h2
            = pluralize(@activity.errors.size, "error")
            prohibited this activity from being saved:
          %ul
            - @activity.errors.full_messages.each do |msg|
              %li= msg
 
      .row
        .col-md-12
          = f.text_field :name, required: true, label: 'What needs to be done?'
      .row
        .col-md-4
          = f.select(:category, Activity::CATEGORIES, include_blank: true)
      .row
        .col-md-12
          = f.text_area :description, rows: 6, label: 'Tell us more about it'
 
      .row
        .col-md-4
          = f.collection_radio_buttons(:garden_id, @activity.owner.gardens.active,
            :id, :name,
            label: 'Is this for a specific garden?')
          = link_to "Add a garden.", new_garden_path
 
        .col-md-4
          = f.collection_radio_buttons(:planting_id, @activity.owner.plantings.active,
            :id, :crop_name,
            label: 'Is this for a specific planting?')
          = link_to "Add a planting.", new_planting_path
 
        .col-md-4
          = f.date_field :due_date,
Expected an indentation at 22 instead of at 21.
                     value: @activity.due_date ? @activity.due_date.to_fs(:ymd) : '',
Expected an indentation at 22 instead of at 21.
                     label: 'When?'
 
      %hr
 
      .row
        .col-md-6
          = f.check_box :finished, label: 'Mark as finished'
          %span.help-block= t('.finish_helper')
 
    .card-footer
      .text-right= f.submit 'Save'