Floats.gss

example.css

/*
  div picture {
    float: left;
    clear: left;
  }
*/

div picture {
  &:next {
    @if ::this[width] + ::scope[right] < ::parent[width]
      left: ::scope[right]
    @else
      top: max((& !~ *)[bottom])
  }
}

/*
  column-count: 3;
*/


div picture:nth-child(3n) {
  &:next {
    top: ::scope[bottom]
  }
}