Generated by SassMeister.com.

SassMeister-input-HTML.html

<div class="007">Bond</div>

SassMeister-input.scss

// ----
// Sass (v3.4.14)
// Compass (v1.0.3)
// SassyLists (v2.2.1)
// ----

@import "SassyLists";

$images: sl-shuffle(
  "/images/watermarks/area-watermark.png"
  "/images/watermarks/bar-watermark.png"
  "/images/watermarks/line-watermark.png");

@for $i from 1 through length($images) {
  .myClass-#{$i} {
    background-image: url(nth($images, $i));
  }
}

SassMeister-output.css

.myClass-1 {
  background-image: url("/images/watermarks/bar-watermark.png");
}

.myClass-2 {
  background-image: url("/images/watermarks/area-watermark.png");
}

.myClass-3 {
  background-image: url("/images/watermarks/line-watermark.png");
}

SassMeister-rendered.html

<div class="007">Bond</div>