Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.14)
// Compass (v1.0.1)
// ----

//maybe this can be written better...not sure

$numbers: one, two, three, four, five, six, seve, eight, nine, ten, 
          eleven, twelve, thirteen, fourteen, fiftenn, sixteen, seventeen,
          eighteen, nineteen, twenty;

@for $i from 1 through 20 {
  @each $number in $numbers {
    .#{$number + '-img'} {
      background-image: url($i + '.jpg');
    }
  }
}

SassMeister-output.css

.one-img {
  background-image: url("1.jpg");
}

.two-img {
  background-image: url("1.jpg");
}

.three-img {
  background-image: url("1.jpg");
}

.four-img {
  background-image: url("1.jpg");
}

.five-img {
  background-image: url("1.jpg");
}

.six-img {
  background-image: url("1.jpg");
}

.seve-img {
  background-image: url("1.jpg");
}

.eight-img {
  background-image: url("1.jpg");
}

.nine-img {
  background-image: url("1.jpg");
}

.ten-img {
  background-image: url("1.jpg");
}

.eleven-img {
  background-image: url("1.jpg");
}

.twelve-img {
  background-image: url("1.jpg");
}

.thirteen-img {
  background-image: url("1.jpg");
}

.fourteen-img {
  background-image: url("1.jpg");
}

.fiftenn-img {
  background-image: url("1.jpg");
}

.sixteen-img {
  background-image: url("1.jpg");
}

.seventeen-img {
  background-image: url("1.jpg");
}

.eighteen-img {
  background-image: url("1.jpg");
}

.nineteen-img {
  background-image: url("1.jpg");
}

.twenty-img {
  background-image: url("1.jpg");
}

.one-img {
  background-image: url("2.jpg");
}

.two-img {
  background-image: url("2.jpg");
}

.three-img {
  background-image: url("2.jpg");
}

.four-img {
  background-image: url("2.jpg");
}

.five-img {
  background-image: url("2.jpg");
}

.six-img {
  background-image: url("2.jpg");
}

.seve-img {
  background-image: url("2.jpg");
}

.eight-img {
  background-image: url("2.jpg");
}

.nine-img {
  background-image: url("2.jpg");
}

.ten-img {
  background-image: url("2.jpg");
}

.eleven-img {
  background-image: url("2.jpg");
}

.twelve-img {
  background-image: url("2.jpg");
}

.thirteen-img {
  background-image: url("2.jpg");
}

.fourteen-img {
  background-image: url("2.jpg");
}

.fiftenn-img {
  background-image: url("2.jpg");
}

.sixteen-img {
  background-image: url("2.jpg");
}

.seventeen-img {
  background-image: url("2.jpg");
}

.eighteen-img {
  background-image: url("2.jpg");
}

.nineteen-img {
  background-image: url("2.jpg");
}

.twenty-img {
  background-image: url("2.jpg");
}

.one-img {
  background-image: url("3.jpg");
}

.two-img {
  background-image: url("3.jpg");
}

.three-img {
  background-image: url("3.jpg");
}

.four-img {
  background-image: url("3.jpg");
}

.five-img {
  background-image: url("3.jpg");
}

.six-img {
  background-image: url("3.jpg");
}

.seve-img {
  background-image: url("3.jpg");
}

.eight-img {
  background-image: url("3.jpg");
}

.nine-img {
  background-image: url("3.jpg");
}

.ten-img {
  background-image: url("3.jpg");
}

.eleven-img {
  background-image: url("3.jpg");
}

.twelve-img {
  background-image: url("3.jpg");
}

.thirteen-img {
  background-image: url("3.jpg");
}

.fourteen-img {
  background-image: url("3.jpg");
}

.fiftenn-img {
  background-image: url("3.jpg");
}

.sixteen-img {
  background-image: url("3.jpg");
}

.seventeen-img {
  background-image: url("3.jpg");
}

.eighteen-img {
  background-image: url("3.jpg");
}

.nineteen-img {
  background-image: url("3.jpg");
}

.twenty-img {
  background-image: url("3.jpg");
}

.one-img {
  background-image: url("4.jpg");
}

.two-img {
  background-image: url("4.jpg");
}

.three-img {
  background-image: url("4.jpg");
}

.four-img {
  background-image: url("4.jpg");
}

.five-img {
  background-image: url("4.jpg");
}

.six-img {
  background-image: url("4.jpg");
}

.seve-img {
  background-image: url("4.jpg");
}

.eight-img {
  background-image: url("4.jpg");
}

.nine-img {
  background-image: url("4.jpg");
}

.ten-img {
  background-image: url("4.jpg");
}

.eleven-img {
  background-image: url("4.jpg");
}

.twelve-img {
  background-image: url("4.jpg");
}

.thirteen-img {
  background-image: url("4.jpg");
}

.fourteen-img {
  background-image: url("4.jpg");
}

.fiftenn-img {
  background-image: url("4.jpg");
}

.sixteen-img {
  background-image: url("4.jpg");
}

.seventeen-img {
  background-image: url("4.jpg");
}

.eighteen-img {
  background-image: url("4.jpg");
}

.nineteen-img {
  background-image: url("4.jpg");
}

.twenty-img {
  background-image: url("4.jpg");
}

.one-img {
  background-image: url("5.jpg");
}

.two-img {
  background-image: url("5.jpg");
}

.three-img {
  background-image: url("5.jpg");
}

.four-img {
  background-image: url("5.jpg");
}

.five-img {
  background-image: url("5.jpg");
}

.six-img {
  background-image: url("5.jpg");
}

.seve-img {
  background-image: url("5.jpg");
}

.eight-img {
  background-image: url("5.jpg");
}

.nine-img {
  background-image: url("5.jpg");
}

.ten-img {
  background-image: url("5.jpg");
}

.eleven-img {
  background-image: url("5.jpg");
}

.twelve-img {
  background-image: url("5.jpg");
}

.thirteen-img {
  background-image: url("5.jpg");
}

.fourteen-img {
  background-image: url("5.jpg");
}

.fiftenn-img {
  background-image: url("5.jpg");
}

.sixteen-img {
  background-image: url("5.jpg");
}

.seventeen-img {
  background-image: url("5.jpg");
}

.eighteen-img {
  background-image: url("5.jpg");
}

.nineteen-img {
  background-image: url("5.jpg");
}

.twenty-img {
  background-image: url("5.jpg");
}

.one-img {
  background-image: url("6.jpg");
}

.two-img {
  background-image: url("6.jpg");
}

.three-img {
  background-image: url("6.jpg");
}

.four-img {
  background-image: url("6.jpg");
}

.five-img {
  background-image: url("6.jpg");
}

.six-img {
  background-image: url("6.jpg");
}

.seve-img {
  background-image: url("6.jpg");
}

.eight-img {
  background-image: url("6.jpg");
}

.nine-img {
  background-image: url("6.jpg");
}

.ten-img {
  background-image: url("6.jpg");
}

.eleven-img {
  background-image: url("6.jpg");
}

.twelve-img {
  background-image: url("6.jpg");
}

.thirteen-img {
  background-image: url("6.jpg");
}

.fourteen-img {
  background-image: url("6.jpg");
}

.fiftenn-img {
  background-image: url("6.jpg");
}

.sixteen-img {
  background-image: url("6.jpg");
}

.seventeen-img {
  background-image: url("6.jpg");
}

.eighteen-img {
  background-image: url("6.jpg");
}

.nineteen-img {
  background-image: url("6.jpg");
}

.twenty-img {
  background-image: url("6.jpg");
}

.one-img {
  background-image: url("7.jpg");
}

.two-img {
  background-image: url("7.jpg");
}

.three-img {
  background-image: url("7.jpg");
}

.four-img {
  background-image: url("7.jpg");
}

.five-img {
  background-image: url("7.jpg");
}

.six-img {
  background-image: url("7.jpg");
}

.seve-img {
  background-image: url("7.jpg");
}

.eight-img {
  background-image: url("7.jpg");
}

.nine-img {
  background-image: url("7.jpg");
}

.ten-img {
  background-image: url("7.jpg");
}

.eleven-img {
  background-image: url("7.jpg");
}

.twelve-img {
  background-image: url("7.jpg");
}

.thirteen-img {
  background-image: url("7.jpg");
}

.fourteen-img {
  background-image: url("7.jpg");
}

.fiftenn-img {
  background-image: url("7.jpg");
}

.sixteen-img {
  background-image: url("7.jpg");
}

.seventeen-img {
  background-image: url("7.jpg");
}

.eighteen-img {
  background-image: url("7.jpg");
}

.nineteen-img {
  background-image: url("7.jpg");
}

.twenty-img {
  background-image: url("7.jpg");
}

.one-img {
  background-image: url("8.jpg");
}

.two-img {
  background-image: url("8.jpg");
}

.three-img {
  background-image: url("8.jpg");
}

.four-img {
  background-image: url("8.jpg");
}

.five-img {
  background-image: url("8.jpg");
}

.six-img {
  background-image: url("8.jpg");
}

.seve-img {
  background-image: url("8.jpg");
}

.eight-img {
  background-image: url("8.jpg");
}

.nine-img {
  background-image: url("8.jpg");
}

.ten-img {
  background-image: url("8.jpg");
}

.eleven-img {
  background-image: url("8.jpg");
}

.twelve-img {
  background-image: url("8.jpg");
}

.thirteen-img {
  background-image: url("8.jpg");
}

.fourteen-img {
  background-image: url("8.jpg");
}

.fiftenn-img {
  background-image: url("8.jpg");
}

.sixteen-img {
  background-image: url("8.jpg");
}

.seventeen-img {
  background-image: url("8.jpg");
}

.eighteen-img {
  background-image: url("8.jpg");
}

.nineteen-img {
  background-image: url("8.jpg");
}

.twenty-img {
  background-image: url("8.jpg");
}

.one-img {
  background-image: url("9.jpg");
}

.two-img {
  background-image: url("9.jpg");
}

.three-img {
  background-image: url("9.jpg");
}

.four-img {
  background-image: url("9.jpg");
}

.five-img {
  background-image: url("9.jpg");
}

.six-img {
  background-image: url("9.jpg");
}

.seve-img {
  background-image: url("9.jpg");
}

.eight-img {
  background-image: url("9.jpg");
}

.nine-img {
  background-image: url("9.jpg");
}

.ten-img {
  background-image: url("9.jpg");
}

.eleven-img {
  background-image: url("9.jpg");
}

.twelve-img {
  background-image: url("9.jpg");
}

.thirteen-img {
  background-image: url("9.jpg");
}

.fourteen-img {
  background-image: url("9.jpg");
}

.fiftenn-img {
  background-image: url("9.jpg");
}

.sixteen-img {
  background-image: url("9.jpg");
}

.seventeen-img {
  background-image: url("9.jpg");
}

.eighteen-img {
  background-image: url("9.jpg");
}

.nineteen-img {
  background-image: url("9.jpg");
}

.twenty-img {
  background-image: url("9.jpg");
}

.one-img {
  background-image: url("10.jpg");
}

.two-img {
  background-image: url("10.jpg");
}

.three-img {
  background-image: url("10.jpg");
}

.four-img {
  background-image: url("10.jpg");
}

.five-img {
  background-image: url("10.jpg");
}

.six-img {
  background-image: url("10.jpg");
}

.seve-img {
  background-image: url("10.jpg");
}

.eight-img {
  background-image: url("10.jpg");
}

.nine-img {
  background-image: url("10.jpg");
}

.ten-img {
  background-image: url("10.jpg");
}

.eleven-img {
  background-image: url("10.jpg");
}

.twelve-img {
  background-image: url("10.jpg");
}

.thirteen-img {
  background-image: url("10.jpg");
}

.fourteen-img {
  background-image: url("10.jpg");
}

.fiftenn-img {
  background-image: url("10.jpg");
}

.sixteen-img {
  background-image: url("10.jpg");
}

.seventeen-img {
  background-image: url("10.jpg");
}

.eighteen-img {
  background-image: url("10.jpg");
}

.nineteen-img {
  background-image: url("10.jpg");
}

.twenty-img {
  background-image: url("10.jpg");
}

.one-img {
  background-image: url("11.jpg");
}

.two-img {
  background-image: url("11.jpg");
}

.three-img {
  background-image: url("11.jpg");
}

.four-img {
  background-image: url("11.jpg");
}

.five-img {
  background-image: url("11.jpg");
}

.six-img {
  background-image: url("11.jpg");
}

.seve-img {
  background-image: url("11.jpg");
}

.eight-img {
  background-image: url("11.jpg");
}

.nine-img {
  background-image: url("11.jpg");
}

.ten-img {
  background-image: url("11.jpg");
}

.eleven-img {
  background-image: url("11.jpg");
}

.twelve-img {
  background-image: url("11.jpg");
}

.thirteen-img {
  background-image: url("11.jpg");
}

.fourteen-img {
  background-image: url("11.jpg");
}

.fiftenn-img {
  background-image: url("11.jpg");
}

.sixteen-img {
  background-image: url("11.jpg");
}

.seventeen-img {
  background-image: url("11.jpg");
}

.eighteen-img {
  background-image: url("11.jpg");
}

.nineteen-img {
  background-image: url("11.jpg");
}

.twenty-img {
  background-image: url("11.jpg");
}

.one-img {
  background-image: url("12.jpg");
}

.two-img {
  background-image: url("12.jpg");
}

.three-img {
  background-image: url("12.jpg");
}

.four-img {
  background-image: url("12.jpg");
}

.five-img {
  background-image: url("12.jpg");
}

.six-img {
  background-image: url("12.jpg");
}

.seve-img {
  background-image: url("12.jpg");
}

.eight-img {
  background-image: url("12.jpg");
}

.nine-img {
  background-image: url("12.jpg");
}

.ten-img {
  background-image: url("12.jpg");
}

.eleven-img {
  background-image: url("12.jpg");
}

.twelve-img {
  background-image: url("12.jpg");
}

.thirteen-img {
  background-image: url("12.jpg");
}

.fourteen-img {
  background-image: url("12.jpg");
}

.fiftenn-img {
  background-image: url("12.jpg");
}

.sixteen-img {
  background-image: url("12.jpg");
}

.seventeen-img {
  background-image: url("12.jpg");
}

.eighteen-img {
  background-image: url("12.jpg");
}

.nineteen-img {
  background-image: url("12.jpg");
}

.twenty-img {
  background-image: url("12.jpg");
}

.one-img {
  background-image: url("13.jpg");
}

.two-img {
  background-image: url("13.jpg");
}

.three-img {
  background-image: url("13.jpg");
}

.four-img {
  background-image: url("13.jpg");
}

.five-img {
  background-image: url("13.jpg");
}

.six-img {
  background-image: url("13.jpg");
}

.seve-img {
  background-image: url("13.jpg");
}

.eight-img {
  background-image: url("13.jpg");
}

.nine-img {
  background-image: url("13.jpg");
}

.ten-img {
  background-image: url("13.jpg");
}

.eleven-img {
  background-image: url("13.jpg");
}

.twelve-img {
  background-image: url("13.jpg");
}

.thirteen-img {
  background-image: url("13.jpg");
}

.fourteen-img {
  background-image: url("13.jpg");
}

.fiftenn-img {
  background-image: url("13.jpg");
}

.sixteen-img {
  background-image: url("13.jpg");
}

.seventeen-img {
  background-image: url("13.jpg");
}

.eighteen-img {
  background-image: url("13.jpg");
}

.nineteen-img {
  background-image: url("13.jpg");
}

.twenty-img {
  background-image: url("13.jpg");
}

.one-img {
  background-image: url("14.jpg");
}

.two-img {
  background-image: url("14.jpg");
}

.three-img {
  background-image: url("14.jpg");
}

.four-img {
  background-image: url("14.jpg");
}

.five-img {
  background-image: url("14.jpg");
}

.six-img {
  background-image: url("14.jpg");
}

.seve-img {
  background-image: url("14.jpg");
}

.eight-img {
  background-image: url("14.jpg");
}

.nine-img {
  background-image: url("14.jpg");
}

.ten-img {
  background-image: url("14.jpg");
}

.eleven-img {
  background-image: url("14.jpg");
}

.twelve-img {
  background-image: url("14.jpg");
}

.thirteen-img {
  background-image: url("14.jpg");
}

.fourteen-img {
  background-image: url("14.jpg");
}

.fiftenn-img {
  background-image: url("14.jpg");
}

.sixteen-img {
  background-image: url("14.jpg");
}

.seventeen-img {
  background-image: url("14.jpg");
}

.eighteen-img {
  background-image: url("14.jpg");
}

.nineteen-img {
  background-image: url("14.jpg");
}

.twenty-img {
  background-image: url("14.jpg");
}

.one-img {
  background-image: url("15.jpg");
}

.two-img {
  background-image: url("15.jpg");
}

.three-img {
  background-image: url("15.jpg");
}

.four-img {
  background-image: url("15.jpg");
}

.five-img {
  background-image: url("15.jpg");
}

.six-img {
  background-image: url("15.jpg");
}

.seve-img {
  background-image: url("15.jpg");
}

.eight-img {
  background-image: url("15.jpg");
}

.nine-img {
  background-image: url("15.jpg");
}

.ten-img {
  background-image: url("15.jpg");
}

.eleven-img {
  background-image: url("15.jpg");
}

.twelve-img {
  background-image: url("15.jpg");
}

.thirteen-img {
  background-image: url("15.jpg");
}

.fourteen-img {
  background-image: url("15.jpg");
}

.fiftenn-img {
  background-image: url("15.jpg");
}

.sixteen-img {
  background-image: url("15.jpg");
}

.seventeen-img {
  background-image: url("15.jpg");
}

.eighteen-img {
  background-image: url("15.jpg");
}

.nineteen-img {
  background-image: url("15.jpg");
}

.twenty-img {
  background-image: url("15.jpg");
}

.one-img {
  background-image: url("16.jpg");
}

.two-img {
  background-image: url("16.jpg");
}

.three-img {
  background-image: url("16.jpg");
}

.four-img {
  background-image: url("16.jpg");
}

.five-img {
  background-image: url("16.jpg");
}

.six-img {
  background-image: url("16.jpg");
}

.seve-img {
  background-image: url("16.jpg");
}

.eight-img {
  background-image: url("16.jpg");
}

.nine-img {
  background-image: url("16.jpg");
}

.ten-img {
  background-image: url("16.jpg");
}

.eleven-img {
  background-image: url("16.jpg");
}

.twelve-img {
  background-image: url("16.jpg");
}

.thirteen-img {
  background-image: url("16.jpg");
}

.fourteen-img {
  background-image: url("16.jpg");
}

.fiftenn-img {
  background-image: url("16.jpg");
}

.sixteen-img {
  background-image: url("16.jpg");
}

.seventeen-img {
  background-image: url("16.jpg");
}

.eighteen-img {
  background-image: url("16.jpg");
}

.nineteen-img {
  background-image: url("16.jpg");
}

.twenty-img {
  background-image: url("16.jpg");
}

.one-img {
  background-image: url("17.jpg");
}

.two-img {
  background-image: url("17.jpg");
}

.three-img {
  background-image: url("17.jpg");
}

.four-img {
  background-image: url("17.jpg");
}

.five-img {
  background-image: url("17.jpg");
}

.six-img {
  background-image: url("17.jpg");
}

.seve-img {
  background-image: url("17.jpg");
}

.eight-img {
  background-image: url("17.jpg");
}

.nine-img {
  background-image: url("17.jpg");
}

.ten-img {
  background-image: url("17.jpg");
}

.eleven-img {
  background-image: url("17.jpg");
}

.twelve-img {
  background-image: url("17.jpg");
}

.thirteen-img {
  background-image: url("17.jpg");
}

.fourteen-img {
  background-image: url("17.jpg");
}

.fiftenn-img {
  background-image: url("17.jpg");
}

.sixteen-img {
  background-image: url("17.jpg");
}

.seventeen-img {
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