bulma (call): redesign of call box: - hang up button has be moved next to other action buttons, and is now just an icon with no text, this save room and is coherent with usual A/V calls UIs - actions buttons (mute, desktop sharing, camera switching, hang up) and local video have been redesign to avoid overlapping on small screen. Local video is now a little higher. - remore video border has been suppressed

#loading_screen {
    /* Loading screen doesn't make sense without JS, and must never be displayed */
    display: none;
}

/**********
 * Panels *
 **********/

/* drawer needs to be opened to have the content visible */
.panel-drawer {
    max-height: none;
    opacity: 1;
}

.nojs_hide {
    display: none;
}