jellyfin-web/dashboard-ui/bower_components/emby-webcomponents/dialoghelper/dialoghelper.css

.dialog {
    margin: 0;
    border-radius: 1px;
    z-index: 999999 !important;
    position: fixed;
    margin: 24px 40px;
    -webkit-font-smoothing: antialiased;
    box-shadow: 0 16px 24px 2px rgba(0, 0, 0, 0.14), 0 6px 30px 5px rgba(0, 0, 0, 0.12), 0 8px 10px -5px rgba(0, 0, 0, 0.4);
    height: auto;
    border: 0;
    padding: 0;
    will-change: transform;
}

    .dialog.fixedSize {
        position: fixed !important;
        top: 0 !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        margin: 0 !important;
        border-radius: 0 !important;
        max-height: none !important;
        max-width: none !important;
        width: auto;
    }

    .dialog.centeredDialog {
        top: 50%;
        left: 50%;
        max-width: 70%;
    }

@media all and (min-width: 1280px) and (min-height: 720px) {

    .dialog.medium {
        top: 10% !important;
        bottom: 10% !important;
        left: 10% !important;
        right: 10% !important;
    }

    .dialog.small {
        top: 10% !important;
        bottom: 10% !important;
        left: 20% !important;
        right: 20% !important;
    }
}

@media all and (min-width: 1280px) and (min-height: 720px) {

    .dialog.fullscreen-border {
        top: 5% !important;
        bottom: 5% !important;
        left: 5% !important;
        right: 5% !important;
    }
}

.noScroll {
    overflow-x: hidden !important;
    overflow-y: hidden !important;
}

.dialog > * {
    padding: 0 24px;
}

.dialog .buttons {
    position: relative;
    padding: 8px 8px 8px 24px;
    margin: 0;
    color: #3f51b5;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -ms-flex-direction: row;
    -webkit-flex-direction: row;
    flex-direction: row;
    -ms-flex-pack: end;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
}

.dialogBackdrop {
    background-color: #000;
    opacity: 0;
    position: fixed !important;
    top: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    margin: 0 !important;
    z-index: 999998 !important;
    transition: opacity ease-out 0.2s;
}

    .dialogBackdrop.opened {
        opacity: .6;
    }

.dialog::backdrop {
    opacity: 0;
    background-color: #000;
    transition: opacity ease-out 0.2s;
}

.mouseIdle .dialog::backdrop {
    cursor: none !important;
}

.dialog.opened::backdrop {
    opacity: .6;
}