.vm-container {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.vm-track {
    display: flex;
    flex-direction: column;
    animation-name: vm-marquee-up;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

.vm-dir-down {
    animation-name: vm-marquee-down;
}

.vm-item {
    flex-shrink: 0;
}

.vm-item img {
    display: block;
    width: 100%;
    height: auto;
}

@keyframes vm-marquee-up {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}

@keyframes vm-marquee-down {
    0% { transform: translateY(-50%); }
    100% { transform: translateY(0); }
}