RocketChat/Rocket.Chat

.thread-empty {
    padding: calc(2 * var(--default-padding));
}

.thread-list {
    overflow-x: hidden;
    overflow-y: auto;

    word-wrap: break-word;
    flex-grow: 1;
    flex-shrink: 1;
}

.contextual-bar__content.thread,
.contextual-bar__content.discussions,
.contextual-bar__content.channel-settings,
.contextual-bar__content.keyboard-shortcut-list,
.contextual-bar__content.threads {
    padding: 0;
}