jellyfin-web/dashboard-ui/css/posteritem.css

.posterItem {
    margin: 3px;
    text-shadow: none;
    font-weight: normal!important;
    display: inline-block;
    font-size: 14px;
    position: relative;
    color: #fff;
    text-decoration: none;
    text-align: left;
    overflow: hidden;
}

    .posterItem:hover {
        -moz-box-shadow: 0 0 20px 3px #2572EB;
        -webkit-box-shadow: 0 0 20px 3px #2572EB;
        box-shadow: 0 0 20px 3px #2572EB;
    }

.posterItemImage {
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: center bottom;
}

.defaultPosterItemImage {
    background-color: #999;
}

.posterItemText {
    text-overflow: ellipsis;
    overflow: hidden;
    text-wrap: none;
    white-space: nowrap;
    padding: 4px 5px 4px;
    background: #181818;
    text-shadow: none;
}

.posterItemTextCentered {
    text-align: center;
}

.posterItemText + .posterItemText {
    padding-top: 2px;
}

.posterItemDefaultText {
    position: absolute;
    top: 30%;
    left: 0;
    right: 0;
    text-align: center;
}

.squarePosterItem {
    width: 160px;
}

    .squarePosterItem .posterItemImage {
        height: 160px;
    }

.backdropPosterItem {
    width: 160px;
}

    .backdropPosterItem .posterItemImage {
        height: 90px;
    }

.portraitPosterItem {
    width: 100px;
}

    .portraitPosterItem .posterItemImage {
        height: 150px;
    }



@media all and (min-width: 650px) {

    .backdropPosterItem {
        width: 192px;
    }

        .backdropPosterItem .posterItemImage {
            height: 108px;
        }
}

@media all and (min-width: 750px) {

    .squarePosterItem {
        width: 160px;
    }

        .squarePosterItem .posterItemImage {
            height: 160px;
        }

    .portraitPosterItem {
        width: 110px;
    }

        .portraitPosterItem .posterItemImage {
            height: 165px;
        }
}

@media all and (min-width: 1200px) {

    .backdropPosterItem {
        width: 272px;
    }

        .backdropPosterItem .posterItemImage {
            height: 153px;
        }

    .squarePosterItem {
        width: 160px;
    }

        .squarePosterItem .posterItemImage {
            height: 160px;
        }

    .portraitPosterItem {
        width: 108px;
    }

        .portraitPosterItem .posterItemImage {
            height: 162px;
        }

    .posterItem {
        font-size: 15px;
    }
}

@media all and (min-width: 1440px) {

    .squarePosterItem {
        width: 170px;
    }

        .squarePosterItem .posterItemImage {
            height: 170px;
        }

    .portraitPosterItem {
        width: 120px;
    }

        .portraitPosterItem .posterItemImage {
            height: 180px;
        }
}

@media all and (min-width: 1920px) {

    .backdropPosterItem {
        width: 320px;
    }

        .backdropPosterItem .posterItemImage {
            height: 180px;
        }

    .squarePosterItem {
        width: 185px;
    }

        .squarePosterItem .posterItemImage {
            height: 185px;
        }

    .portraitPosterItem {
        width: 136px;
    }

        .portraitPosterItem .posterItemImage {
            height: 204px;
        }

    .posterItem {
        font-size: 16px;
    }
}