animation

      //animation: big-line 3s ease-in-out infinite alternate

    //@for $i from 1 through 29
      & > *:nth-child(#{$i})
        animation: flying 3s ease-in-out #{$i / 13}s infinite alternate
//.smile
  //filter: url(#old-goo)
  animation: test 3s ease-in-out #{$i / 13}s infinite alternate
//& > *:nth-child(#{$i}):not(.hero__left-shape):not(.hero__top-shape):not(.circle)
  //animation: scale 2s ease #{$i / 13}s 1 forwards, flying 3s ease-in-out #{2 + $i / 8}s infinite alternate
  //animation: test 3s ease-in-out #{2 + $i / 8}s infinite alternate