:root{
    --partner-negative-width: -21.875em;
    --parter-width: 21.875em;
    --partners-count: 11;
}


@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(var(--partner-negative-width) * var(--partners-count)));
    }
}

.slider {
    background: white;
    margin: auto;
    overflow: hidden;
    position: relative;
    max-width: 100vw;
    height: 50%;
    padding: 0.8em 0;
}

.slider::before, .slider::after {
    background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
    content: "";
    height: 100%;
    position: absolute;
    width: 10em;
    z-index: 2;
}

.slider::after {
    right: 0;
    top: 0;
    transform: rotateZ(180deg);
}

.slider::before {
    left: 0;
    top: 0;
}

#partners {
    height: 100%;
    padding: 1em 0;
    animation: scroll 60s linear infinite;
    display: flex;
    width: calc(var(--parter-width) * (var(--partners-count) * 2));
}

.partner {
    border-radius: 1em;
    width: var(--parter-width);
    margin: 0 0.9em;
    -webkit-box-shadow: 0px 0px 15px 1px rgba(0, 0, 0, 0.33);
    -moz-box-shadow: 0px 0px 15px 1px rgba(0, 0, 0, 0.33);
    box-shadow: 0px 0px 15px 1px rgba(0, 0, 0, 0.33);
}

.partner-logo-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 0 auto;
    width: 100%;
    height: 80%;
}

.partner-logo {
    margin: 0 auto;
    max-width: 10em;
    max-height: 10em;
}

.partner-name-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #F1F1F1;
    width: 100%;
    height: 20%;
    font-size: 1.5em;
    color: #565656;
    border-bottom-left-radius: 0.6em;
    border-bottom-right-radius: 0.6em;
}