@keyframes slide {
    from {
        transform:translateX(0);
    }
    to {
        transform: translateX(-100%);
    }
}

.logos {
    overflow: hidden;
    padding: 60px 0;
    background: #fff;
    white-space: nowrap;
    position: relative;
}

.logos:before, 
.logos:after {
    position: absolute;
    top: 0;
    width: 250px;
    height:100%;
    content: "";
    z-index: 2;

}

.logos:before {
    left: 0;
    background: linear-gradient(to left, rgba(255,255,255,0),white);
}

.logos:after {
    right: 0;
    background: linear-gradient(to right, rgba(255,255,255,0),white);
}

.logos-slide{
    display: inline-block;
    animation: 28s slide infinite linear;
}

.logos:hover .logos-slide {
    animation-play-state: paused;
}
.logos-slide img {
    height: 50px;
    margin: 0 40px;
}