Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.1)
// Compass (v1.0.0.alpha.18)
// ----

$sel: '';
@for $i from 1 through 10 {
	$sel: if($i == 1, "ul", nest($sel, "ul")) !global;
	
	#{$sel} {
		padding-left: 10px * $i;
	}
}

SassMeister-output.css

ul {
  padding-left: 10px;
}

ul ul {
  padding-left: 20px;
}

ul ul ul {
  padding-left: 30px;
}

ul ul ul ul {
  padding-left: 40px;
}

ul ul ul ul ul {
  padding-left: 50px;
}

ul ul ul ul ul ul {
  padding-left: 60px;
}

ul ul ul ul ul ul ul {
  padding-left: 70px;
}

ul ul ul ul ul ul ul ul {
  padding-left: 80px;
}

ul ul ul ul ul ul ul ul ul {
  padding-left: 90px;
}

ul ul ul ul ul ul ul ul ul ul {
  padding-left: 100px;
}