.acs-tab-track{background:0 0;height:2px;position:absolute;bottom:0;left:0;right:0}.acs-tab-fill{transform-origin:0;background:#1f1f1f;width:100%;height:100%;animation-name:acs-tab-fill;animation-timing-function:linear;animation-fill-mode:forwards;display:block;transform:scaleX(0)}@keyframes acs-tab-fill{0%{transform:scaleX(0)}to{transform:scaleX(1)}}