Generated by SassMeister.com.

SassMeister-input-HTML.html

<div></div>

SassMeister-input.sass

// ----
// Sass (v3.4.3)
// Compass (v1.0.1)
// ----

%sprite-stuff
  background-size: 100%
  width: 100%
  height: auto

=spritesheet($class, $num, $path)
  $num_result: $num - 1
  $num_final: 100 / $num_result

  @for $i from 1 through $num
    #{$class}#{$i}
      @extend %sprite-stuff
      background: url($path)

+spritesheet(".logo", 6, "../img/logo.svg")

SassMeister-output.css

.logo1, .logo2, .logo3, .logo4, .logo5, .logo6 {
  background-size: 100%;
  width: 100%;
  height: auto;
}

.logo1 {
  background: url("../img/logo.svg");
}

.logo2 {
  background: url("../img/logo.svg");
}

.logo3 {
  background: url("../img/logo.svg");
}

.logo4 {
  background: url("../img/logo.svg");
}

.logo5 {
  background: url("../img/logo.svg");
}

.logo6 {
  background: url("../img/logo.svg");
}

SassMeister-rendered.html

<div></div>