@keyframes #{$rt-namespace}__trackProgress { 0%{ transform: scaleX(1); } 100%{ transform: scaleX(0); } } .#{$rt-namespace}__progress-bar { position: absolute; bottom: 0; left: 0; width: 100%; height: 5px; z-index: $rt-z-index; opacity: 0.7; background-color: rgba(255,255,255,.7); transform-origin: left; &--animated { animation: #{$rt-namespace}__trackProgress linear 1 forwards; } &--controlled { transition: transform .2s; } &--rtl { right: 0; left: initial; transform-origin: right; } &--default{ background: $rt-color-progress-default; } &--dark{ background: $rt-color-progress-dark; } &--info{} &--success{} &--warning{} &--error{} }