I have overridden the default user login form in Drupal 8 using a different template in my sub theme, but it isn't of much use because when I access it in twig template, all I can do is
<form {{attributes}}>
{{children}}
</form>
Doing this I get the elements in same order, and there is not lot of modification option. I can put them in container but that is it. I was wondering there was instead a way to call elements like username field, password field individually instead of doing a bulk call using {{children}}
.