ember-slimguide/addon/styles/components/es-progress-bar.css

A test for bottled-ember

.progress-bar {
  position: fixed;
  left: 0;
  top: 0;
  height: 3px;
  box-shadow: 0 0 10px rgba(0, 13, 41, 0.6);
  background: var(--color-brand) !important;
}