@nomios/web-uikit/dist/components/button/ProgressBar.css

Nomios' living web UIKit

.progressBar {
    min-width: 1px;
    min-height: 1px;
    transform: scaleY(0);
    transform-origin: 50% 100%;
    pointer-events: none;
    transition: transform 0.2s linear, opacity 0.2s ease;
}