Generated by SassMeister.com.

SassMeister-input-HTML.html

<div class="box">Testing</div>

SassMeister-input.scss

// ----
// Sass (v3.2.14)
// Compass (v0.12.2)
// ----

@import "compass";

$visa-blue: #062471; // digital blue
$visa-dark-blue: #0D2745;
$visa-gold: #FFA000;
$visa-neutral: #718496;

.box {
  @include background(
    linear-gradient($visa-dark-blue 0%, $visa-blue 40%, $visa-neutral 65%, $visa-gold 85%)
  );
  height: 300px;
}

SassMeister-output.css

.box {
  background: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #0d2745), color-stop(40%, #062471), color-stop(65%, #718496), color-stop(85%, #ffa000));
  background: -webkit-linear-gradient(#0d2745 0%, #062471 40%, #718496 65%, #ffa000 85%);
  background: -moz-linear-gradient(#0d2745 0%, #062471 40%, #718496 65%, #ffa000 85%);
  background: -o-linear-gradient(#0d2745 0%, #062471 40%, #718496 65%, #ffa000 85%);
  background: linear-gradient(#0d2745 0%, #062471 40%, #718496 65%, #ffa000 85%);
  height: 300px;
}

SassMeister-rendered.html

<div class="box">Testing</div>