18F/identity-idp

<%= content_tag(
      :span,
      content_tag(
        :style,
        "#icon-#{unique_id} { mask-image: url(#{icon_path}); -webkit-mask-image: url(#{icon_path}); }",
        nonce: content_security_policy_nonce,
      ),
      **tag_options,
      id: "icon-#{unique_id}",
      class: css_class,
    ) -%>