@import url('https://fonts.googleapis.com/css?family=Montserrat');

:root {
    --marquee-width: 100%;
    --marquee-height: 50%;
    /* --marquee-elements: 12; */ /* defined with JavaScript */
    --marquee-elements-displayed: 5;
    --marquee-element-width: calc(var(--marquee-width) / var(--marquee-elements-displayed));
    --marquee-animation-duration: calc(var(--marquee-elements) * 3s);
}

.marquee {
    width: var(--marquee-width);
    height: var(--marquee-height);
    background-color: #86A78E;
    color: black;
    overflow: hidden;
    position: relative;
    padding: 15px 0 15px 0;
    margin-bottom: 30px;
    border: 2px dotted blue;
}

    .marquee:before, .marquee:after {
        position: absolute;
        top: 0;
        width: 10rem;
        height: 100%;
        content: "";
        z-index: 1;
    }

    .marquee:before {
        left: 0;
        background: linear-gradient(to right, #111 0%, transparent 100%);
    }

    .marquee:after {
        right: 0;
        background: linear-gradient(to left, #111 0%, transparent 100%);
    }

.marquee-content {
    list-style: none;
    height: 100%;
    display: flex;
    animation: scrolling var(--marquee-animation-duration) linear infinite;
}
 .marquee-content:hover {
  animation-play-state: paused;
} 
@keyframes scrolling {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-1 * var(--marquee-element-width) * var(--marquee-elements)));
    }
}

.marquee-content li {
    display: flex;
    justify-content: center;
    align-items: center;
    /* text-align: center; */
    flex-shrink: 0;
    width: var(--marquee-element-width);
    max-height: 100%;
    font-size: calc(var(--marquee-height)*3/4); /* 5rem; */
    white-space: nowrap;
}

    .marquee-content li img {
        width: 160px;
         height: 50px; 
        border: 2px solid #eee;
    }

@media (max-width: 600px) {
    html {
        font-size: 12px;
    }

    :root {
        --marquee-width: 100vw;
        --marquee-height: 16vh;
        --marquee-elements-displayed: 3;
    }

    .marquee:before, .marquee:after {
        width: 5rem;
    }
}