@keyframes progress {
0% { height: 0% }
30% { height: 30% }
60% { height: 60% }
90% { height: 90% }
100% { height: 100% }
}
overflow: hidden
and the stripe height: 100%;top: 100%
@keyframes progress {
0% { top: 100% }
30% { top: 90% }
60% { top: 60% }
90% { top: 30% }
100% { top: 0 }
}