Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.2.4)
// ----

@import "bourbon/bourbon";
@import "neat/neat";

// Test bourbon linear-gradient null value fail
$medium-purple: purple;
$dark-purple: darken(purple, 20%);
.selector{
  @include linear-gradient(to top, $medium-purple, $dark-purple);
}

// Test with background-image
.selector2{
  @include background-image(linear-gradient(to top, #00ff00, #ff0000));
}

SassMeister-output.css

html {
  box-sizing: border-box;
}

*,
*::after,
*::before {
  box-sizing: inherit;
}

.selector {
  background-color: purple;
  background-image: -webkit-linear-gradient(bottom, purple, #1a001a);
  background-image: linear-gradient(to top,purple, #1a001a, , , , , , , , );
}

.selector2 {
  background-image: -webkit-linear-gradient( bottom , #00ff00, #ff0000);
  background-image: linear-gradient(to top, #00ff00, #ff0000);
}