@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
	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;
	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;
}

.progress-bar-animated {
	animation: progress-bar-stripes @progress-bar-animation-timing;
}