dark_slack.css

@import url(https://cdn.rawgit.com/laCour/slack-night-mode/master/css/raw/black.css);

.menu ul li a:not(.inline_menu_link) {color: #fff !important;}

#p_thread_view_container > .p-threads_view { background-color: #222; }

#p_thread_view_container > .p-threads_view .p-threads_view_header__permalink { color: #e6e6e6 !important; }

#p_thread_view_container > .p-threads_view .p-threads_view__default_background { background-color: #222; }

#p_thread_view_container > .p-threads_view .p-threads_view__default_background > .p-threads_view_root,
#p_thread_view_container > .p-threads_view .p-threads_view__default_background > .p-threads_view_reply,
#p_thread_view_container > .p-threads_view .p-threads_view__default_background > .p-threads_view__footer { border-color: #363636; }

#p_thread_view_container > .p-threads_view .p-threads_view__default_background > .p_threads_view_load_newer_button,
#p_thread_view_container > .p-threads_view .p-threads_view__default_background > .p_threads_view_load_older_button { background-color: #363636; border-color: #363636; }

#p_thread_view_container > .p-threads_view .p-threads_view__default_background > .p_threads_view_load_newer_button > button,
#p_thread_view_container > .p-threads_view .p-threads_view__default_background > .p_threads_view_load_older_button > button { color: #e6e6e6; }