jitsi_app_c0/css/filmstrip/_tile_view_overrides.scss

/**
 * Various overrides outside of the filmstrip to style the app to support a
 * tiled thumbnail experience.
 */
.tile-view {
    /**
     * Let the avatar grow with the tile.
     */
    .avatar-container {
        max-height: initial;
        max-width: initial;
    }

    /**
     * Hide various features that should not be displayed while in tile view.
     */
    #dominantSpeaker,
    #filmstripLocalVideoThumbnail,
    #largeVideoElementsContainer,
    #sharedVideo,
    .filmstrip__toolbar {
        display: none;
    }

    /**
     * The follow styling uses !important to override inline styles set with
     * javascript.
     *
     * TODO: These overrides should be more easy to remove and should be removed
     * when the components are in react so their rendering done declaratively,
     * making conditional styling easier to apply.
     */
    #largeVideoElementsContainer,
    #remoteConnectionMessage,
    #remotePresenceMessage {
        display: none !important;
    }

    /**
     * Thumbnail popover menus can overlap other thumbnails. Setting an auto
     * z-index will allow AtlasKit InlineDialog's large z-index to be
     * respected and thereby display over elements in other thumbnails,
     * specifically the various status icons.
     */
    .remotevideomenu,
    .localvideomenu,
    .videocontainer__toptoolbar {
        z-index: auto;
    }
}