div {
  &:nth-child(1) {
    // comment
    @if true or ceil(1.2) < 2 or 2 > 1 or 1 <= 1 or 2 >= 2 {
      color: blue;
    } @else if $i < 0 {
      color: red;
    } @else if $type == matador {
      color: blue;
    } @else if $type != matador {
      color: red;
    } @else if 2 * 2 + (1 - 1) {
      color: green;
    } @else if round(0.2) < 0 {
      color: black;
    } @else if $var-1 + $var-2 {
      color: black;
    } @else {
      color: green;
    }

    .nested {
      color: black;
    }
  }
}