Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.0.rc.5)
// Compass (v1.0.0.alpha.18)
// ----

.step__item {
  counter-increment: steps; /* 1 */
  background: $step-background-color;
  float: left;
  padding: $step-baseline 0;
  position: relative;
  border-top: $step-border;
  border-bottom: $step-border;
  white-space: nowrap;
 
  &:after {
    @include size($step-arrow-size);
    @include absolute(top .3em left 100%);
    @include transform(rotate(45deg));
    content: '';
    z-index: 2;
    background: inherit; 
    border-right: $step-border;
    border-top: $step-border;
    margin-left: -$step-arrow-size/2;
  }

  &[disabled] {
    cursor: not-allowed;
  }

  @media (max-width: 767px) {
    width: 100% !important;
    border-left: $step-border;
    border-right: $step-border;
    padding: $step-baseline*2 0;

    &:after {
      content: none;
    }
  }
}

SassMeister-output.css

Undefined variable: "$step-background-color".