Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.5)
// Compass (v1.0.1)
// ----

@import "compass";

$svg-gradient-shim-threshold: 100;

.ng {
  @include background-image(linear-gradient(center top, #000, #fff));
}

.ok {
  @include background-image(linear-gradient(to bottom, #000, #fff));
}

SassMeister-output.css

.ng {
  background-image: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #000000), color-stop(100%, #ffffff));
  background-image: -moz-linear-gradient(center top, #000000, #ffffff);
  background-image: -webkit-linear-gradient(center top, #000000, #ffffff);
  background-image: linear-gradient(to center bottom, #000000, #ffffff);
}

.ok {
  background-image: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #000000), color-stop(100%, #ffffff));
  background-image: -moz-linear-gradient(top, #000000, #ffffff);
  background-image: -webkit-linear-gradient(top, #000000, #ffffff);
  background-image: linear-gradient(to bottom, #000000, #ffffff);
}