.tf-list-image {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    overflow: hidden;
}
.tf-list-image .box-item {
    position: relative;
    -webkit-animation: slide-har 30s linear infinite;
    animation: slide-har 30s linear infinite;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    align-items: center;
}

.tf-list-image .box-item .item {
    padding: 0 25px;
    width: 250px;
}

.tf-list-image .box-item .item .image img {
    width: 100%;
    object-fit: cover;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.tf-list-image.hover-image .image img {
    filter: grayscale(1);
}

.tf-list-image.hover-image .item:hover .image img {
    filter: grayscale(0);
}

.tf-list-image.hover-stop:hover .box-item {
    animation-play-state: paused;
}

@keyframes slide-har {
    0% {
        -webkit-transform: translateX(0%);
        transform: translateX(0%);
    }
    100% {
        -webkit-transform: translateX(-50%);
        transform: translateX(-50%);
    }
}