bootstrap-less-port/less/_progress.less

A Less port of Bootstrap v4

// Disable animation if transitions are disabled
& when (@enable-transitions) {
	@keyframes progress-bar-stripes {
		from { background-position: @progress-height 0; }
		to { background-position: 0 0; }
	}
}

.progress {
	display: flex;
	height: @progress-height;
	overflow: hidden; // force rounded corners by cropping it
	line-height: 0;
	#font-size(@progress-font-size);
	background-color: @progress-bg;
	#border-radius(@progress-border-radius);
	#box-shadow(@progress-box-shadow);
}

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

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

& when (@enable-transitions) {
	.progress-bar-animated {
		animation: progress-bar-stripes @progress-bar-animation-timing;

		& when (@enable-prefers-reduced-motion-media-query) {
			@media (prefers-reduced-motion: reduce) {
				animation: none;
			}
		}
	}
}