'vertical-key-value'];
public function __construct($key, $value)
{
$this->key = $key;
$this->value = $value;
}
protected function assemble()
{
$this->add([
Html::tag('span', ['class' => 'value'], $this->value),
Html::tag('br'),
Html::tag('span', ['class' => 'key'], $this->key),
]);
}
}