.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;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.vm-overlay-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2;
    pointer-events: none;
}

.vm-overlay-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 2;
    pointer-events: none;
}

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

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