Different style for first two (sticky) posts

I think you should add a css class and in your loop, put a $i and let $i run, if $i == 2 then you add the css class attribute to that sticky post.

$i = 0;
while( have_posts() ):
         the_post();
   $i++;
   if($i == 2):
      $css_class="top-sticky";
   else:
      $css_class=""; 
   endif;

endwhile;
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