In my custom view fields twig file views-view-fields--search--product_result.html.twig I try to theme my view item.

{{ fields.field_images.content }}
<h5 class="card-title">{{ fields.title.content }}</h5>

How do I add a CSS class to my image field {{ fields.field_images.content }}?

  • In a Views field(s) template you can't theme field content anymore because it has already been rendered.
    – 4uk4
    Jul 9, 2019 at 11:45
  • @4k4 Ok so what's the solution. Traditional way through Views ui and rewrite fields content?
    – meez
    Jul 9, 2019 at 11:53
  • Yes, before you rewrite the field try to add the CSS class in Style Settings of the field.
    – 4uk4
    Jul 9, 2019 at 12:02
  • @4k4 I think it's not possible for a field which is Exclude from display? I tried but it's stripped...
    – meez
    Jul 9, 2019 at 12:14
  • OK, when you exclude from display and use field tokens you have total control over the markup and you don't need the Style Settings anymore.
    – 4uk4
    Jul 9, 2019 at 12:31

1 Answer 1


This is what worked for me: It's a preprocess function in the .theme file. I wish there was a way to do this directly into the template. This would apply that class everywhere the field appears.

 * Implements hook_preprocess_field().
 * Adds a class to a People image.
function themename_preprocess_field(&$vars) {
  if ($vars['element']['#field_name'] == 'field_machine_name') {
    foreach($vars['items'] as $key => $item){
      $vars['items'][ $key ]['content']['#item_attributes']['class'][] = 'my_class';

themename, field_machine_name, and my_class are placeholders for your values.

This produces:

<img class="my_class" src="/your/image/location.png" alt="Your alt text." typeof="foaf:Image" width="458" height="354">

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