tabler/core/scss/bootstrap/_progress.scss

// Disable animation if transitions are disabled

// scss-docs-start progress-keyframes
@use '../config' as *;

@if $enable-transitions {
  @keyframes progress-bar-stripes {
    0% {
      background-position-x: var(--progress-height);
    }
  }
}
// scss-docs-end progress-keyframes

.progress,
.progress-stacked {
  // scss-docs-start progress-css-vars
  --progress-height: #{$progress-height};
  @include rfs($progress-font-size, --progress-font-size);
  --progress-bg: #{$progress-bg};
  --progress-border-radius: #{$progress-border-radius};
  --progress-box-shadow: #{$progress-box-shadow};
  --progress-bar-color: #{$progress-bar-color};
  --progress-bar-bg: #{$progress-bar-bg};
  --progress-bar-transition: #{$progress-bar-transition};
  // scss-docs-end progress-css-vars

  display: flex;
  height: var(--progress-height);
  overflow: hidden; // force rounded corners by cropping it
  @include font-size(var(--progress-font-size));
  background-color: var(--progress-bg);
  @include border-radius(var(--progress-border-radius));
  @include box-shadow(var(--progress-box-shadow));
}

.progress-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  color: var(--progress-bar-color);
  text-align: center;
  white-space: nowrap;
  background-color: var(--progress-bar-bg);
  @include transition(var(--progress-bar-transition));
}

.progress-bar-striped {
  @include gradient-striped();
  background-size: var(--progress-height) var(--progress-height);
}

.progress-stacked > .progress {
  overflow: visible;
}

.progress-stacked > .progress > .progress-bar {
  width: 100%;
}

@if $enable-transitions {
  .progress-bar-animated {
    animation: $progress-bar-animation-timing progress-bar-stripes;

    @if $enable-reduced-motion {
      @media (prefers-reduced-motion: reduce) {
        animation: none;
      }
    }
  }
}