sergey

$sizes-rules:(

  /*keys(logo:**,menu:**,animals:**,titles:**,text:**)*/
  480:  (logo:16,menu:12,animals:16,titles:30,text:14),
  720:  (logo:18,menu:12,animals:22,titles:36,text:16),
  1000: (logo:25,menu:15,animals:30,titles:46,text:16),
  1260: (logo:32,menu:17,animals:35,titles:46,text:16)
);


@each $level,$list in $sizes-rules{
  /*#{$level} #{map-get($list, logo)}*/
}