.bg-clip-down {
    clip-path: polygon(0 0, 100% 0, 100% 30%, 50% 100%, 0 30%);
}

.bg-clip-up {
    clip-path: polygon(50% 0, 100% 70%, 100% 100%, 0 100%, 0 70%);
}

@keyframes pbar {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: calc(60 * (40px / 0.707)) 100%;
    }
}