zulip/static/styles/dark.css

body.dark-mode {
    background-color: hsl(212, 28%, 18%);
    color: hsl(236, 33%, 90%);

    -webkit-font-smoothing: antialiased;
}

body.dark-mode .app-main,
body.dark-mode .header-main,
body.dark-mode #tab_bar_underpadding,
body.dark-mode .floating_recipient .message-header-wrapper,
body.dark-mode .column-middle,
body.dark-mode #compose,
body.dark-mode .column-left .left-sidebar,
body.dark-mode .column-right .right-sidebar,
body.dark-mode #subscription_overlay .right,
body.dark-mode #settings_page .form-sidebar,
body.dark-mode #settings_page .right {
    background-color: hsl(212, 28%, 18%);
}

body.dark-mode .column-left .left-sidebar,
body.dark-mode #settings_page .form-sidebar,
body.dark-mode .column-right .right-sidebar {
    border-left-color: hsla(0, 0%, 0%, 0.2);
}

body.dark-mode .dark .message_label_clickable.stream_label,
body.dark-mode .dark .stream_label,
body.dark-mode .stream_label {
    color: hsl(212, 28%, 18%);
}

body.dark-mode .new-style label.checkbox input[type=checkbox] ~ span {
    border-color: hsla(0, 0%, 100%, 0.4);
}

body.dark-mode .modal-bg {
    background: hsl(212, 28%, 18%);
}

.streams_popover .sp-container {
    background: transparent;
}

/* this one is because in the app we have blue and in dark-mode it should be white. */
body.dark-mode .popover a {
    color: inherit;
}

body.dark-mode .dark_background a,
body.dark-mode a.dark_background:hover,
body.dark-mode .dark_background,
body.dark-mode .message_reactions .message_reaction_count,
body.dark-mode .message_reactions .reaction_button i,
body.dark-mode .message_reactions:hover .message_reaction + .reaction_button {
    color: inherit !important;
}

/* do not turn the .message_header .stream_label text dark on hover because they're
on a dark background, and don't change the dark labels dark either. */
body.dark-mode .message_header:not(.dark_background) a.stream_label:not(.dark_background):hover,
body.dark-mode #tab_list li.stream:not(.dark_background) {
    color: hsl(212, 28%, 18%) !important;
}

/* these are converting grey things to "new grey" */
body.dark-mode .sidebar-title,
body.dark-mode .recipient_row_date,
body.dark-mode .stream-row .sub-info-box .top-bar .subscriber-count,
body.dark-mode .stream-row .sub-info-box .top-bar .message-count {
    color: inherit;
    opacity: 0.5;
}

body.dark-mode .new-style .button,
body.dark-mode input[type="text"],
body.dark-mode input[type="email"],
body.dark-mode input[type="password"],
body.dark-mode textarea,
body.dark-mode .new-style .tab-switcher .ind-tab:not(.selected),
body.dark-mode select {
    background-color: hsla(0, 0%, 0%, 0.2);
    border-color: hsla(0, 0%, 0%, 0.6);
    color: inherit;
}

body.dark-mode select option {
    background-color: hsl(212, 28%, 18%);
    color: hsl(236, 33%, 90%);
}

body.dark-mode .new-style .button.no-style {
    background-color: transparent;
}

body.dark-mode .new-style .tab-switcher .ind-tab.selected,
body.dark-mode div.message_content thead,
body.dark-mode .table-striped thead th,
body.dark-mode .message_reactions .message_reaction.reacted,
body.dark-mode .message_reactions:hover .message_reaction + .reaction_button {
    background-color: hsla(0, 0%, 0%, 0.5);
    border-color: hsla(0, 0%, 0%, 0.9);
}

body.dark-mode .message_reactions .message_reaction {
    background-color: hsla(0, 0%, 0%, 0.2);
    border-color: hsla(0, 0%, 0%, 0.5);
    color: inherit;
}

body.dark-mode .new-style button.button:focus,
body.dark-mode input[type="text"]:focus,
body.dark-mode input[type="email"]:focus,
body.dark-mode textarea:focus,
body.dark-mode textarea.new_message_textarea:focus,
body.dark-mode .compose_table .recipient_box:focus {
    border-color: hsla(0, 0%, 0%, 0.9);
}

body.dark-mode .message-header-contents,
body.dark-mode .message_header_private_message .message-header-contents,
body.dark-mode #tab_list li.active {
    background: hsla(0, 0%, 0%, 0.2);
}

body.dark-mode .message-header-contents,
body.dark-mode .message_header_private_message .message-header-contents {
    border-color: transparent;
}

/* Not that .message_row (below) needs to be more contrast on dark mode */
body.dark-mode .compose-content,
body.dark-mode .message_list .recipient_row,
body.dark-mode .message_row,
body.dark-mode .draft-row .draft-info-box,
body.dark-mode #preview_message_area {
    border-color: hsla(0, 0%, 0%, 0.2);
}

body.dark-mode .navbar-search {
    border-right-color: hsla(0, 0%, 0%, 0.2);
}

body.dark-mode .overlay,
body.dark-mode .emoji-popover-emoji:not(.reacted):focus {
    background-color: hsla(212, 28%, 8%, 0.75);
}

body.dark-mode .overlay .flex.overlay-content > div,
body.dark-mode #settings_page,
body.dark-mode .informational-overlays .overlay-content {
    box-shadow: 0px 0px 30px hsl(212, 32%, 7%);
}

body.dark-mode .dropdown .dropdown-menu,
body.dark-mode .popover {
    background: hsl(212, 32%, 14%);
}

body.dark-mode .dropdown .dropdown-menu li.divider,
body.dark-mode .popover hr,
body.dark-mode hr {
    color: hsl(212, 28%, 18%);
    opacity: 0.2;
}

body.dark-mode .nav .dropdown-menu::after,
body.dark-mode .popover.bottom .arrow {
    border-bottom-color: hsl(235, 18%, 7%);
}

body.dark-mode .popover.right .arrow,
body.dark-mode .popover.left .arrow,
body.dark-mode .popover.top .arrow {
    border-top-color: hsl(235, 18%, 7%);
}

body.dark-mode ul.filters li:hover .arrow {
    color: hsl(236, 33%, 80%);
}

body.dark-mode ul.filters li .arrow:hover {
    color: hsl(0, 0%, 100%);
}

body.dark-mode li.active-filter,
body.dark-mode li.active-sub-filter {
    background-color: hsla(199, 33%, 46%, 0.2);
}

body.dark-mode #global_filters li:hover,
body.dark-mode #stream_filters li:hover,
body.dark-mode #group-pms li:hover,
body.dark-mode #user_presences li:hover {
    background-color: hsla(136, 25%, 73%, 0.2);
}

body.dark-mode #stream_filters li.active-sub-filter:hover {
    background-color: hsla(136, 25%, 73%, 0.5);
}

body.dark-mode .floating_recipient .recipient_row {
    border-top: none;
}

body.dark-mode .stream-row.active,
body.dark-mode .emoji-showcase-container,
body.dark-mode .emoji-popover-category-tabs,
body.dark-mode .emoji-popover-top {
    background-color: hsla(0, 0%, 0%, 0.2);
}

body.dark-mode .drafts-header,
body.dark-mode .nav > li > a:hover,
body.dark-mode .subscriptions-header,
body.dark-mode .grey-box,
body.dark-mode .white-box,
body.dark-mode .stream-email,
body.dark-mode #settings_page .settings-header,
body.dark-mode #settings_page .form-sidebar .title,
body.dark-mode #settings_page .sidebar li.active,
body.dark-mode #settings_page .sidebar .tab-container,
body.dark-mode .table-striped tbody tr:nth-child(odd) td,
body.dark-mode .table-striped tbody tr:nth-child(odd) th,
body.dark-mode .modal-footer,
body.dark-mode .modal-bg .modal-header {
    border-color: hsla(0, 0%, 0%, 0.2);
    background-color: hsla(0, 0%, 0%, 0.2);
}

body.dark-mode .modal-footer {
    -webkit-box-shadow: inset 0 1px 0 hsla(0, 0%, 0%, 0.2);
    box-shadow: inset 0 1px 0 hsla(0, 0%, 0%, 0.2);
}

body.dark-mode .subscriptions-container .right .display-type,
body.dark-mode .stream-row,
body.dark-mode .subscriptions-container .left .search-container,
body.dark-mode .subscriptions-container .left,
body.dark-mode .subscriber-list-box,
body.dark-mode .subscriber-list tr,
body.dark-mode #subscription_overlay ul.grey-box li,
body.dark-mode #settings_page .sidebar,
body.dark-mode #settings_page .sidebar *,
body.dark-mode table,
body.dark-mode table th,
body.dark-mode table td {
    border-color: hsla(0, 0%, 0%, 0.2);
}

body.dark-mode .draft-row .draft-info-box,
body.dark-mode .private-message .messagebox,
body.dark-mode .message_header_private_message .message-header-contents {
    box-shadow: none;
}

body.dark-mode .draft-row .message_header_private_message .message_label_clickable {
    padding: 4px 6px 3px 6px;
    color: inherit;
}

body.dark-mode .nav-list > li > a,
body.dark-mode .nav-list .nav-header {
    text-shadow: none;
}

body.dark-mode .mention .messagebox {
    background-color: hsla(8, 78%, 43%, 0.15);
}

body.dark-mode .user-mention,
body.dark-mode .user-group-mention {
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,hsla(0, 0%, 0%, 0.1)), color-stop(100%,hsla(0, 0%, 0%, 0.0)));
    background: -webkit-linear-gradient(top, hsla(0, 0%, 0%, 0.2) 0%, hsla(0, 0%, 0%, 0.1) 100%);
    background: -o-linear-gradient(top, hsla(0, 0%, 0%, 0.2) 0%, hsla(0, 0%, 0%, 0.1) 100%);
    background: -ms-linear-gradient(top, hsla(0, 0%, 0%, 0.2) 0%, hsla(0, 0%, 0%, 0.1) 100%);
    background: linear-gradient(to bottom, hsla(0, 0%, 0%, 0.2) 0%, hsla(0, 0%, 0%, 0.1) 100%);

    box-shadow: 0px 0px 0px 1px hsla(0, 0%, 0%, 0.4);
}

body.dark-mode .user-mention-me {
    background: hsla(355, 37%, 31%, 1);
    box-shadow: 0px 0px 0px 1px hsla(330, 40%, 20%, 1);
}

body.dark-mode .tip {
    color: inherit;
    background-color: hsla(46, 28%, 38%, 0.27);
    border: 1px solid hsl(49, 38%, 46%);
}

body.dark-mode .alert {
    text-shadow: none;
}

body.dark-mode .alert.alert-success {
    color: inherit;
    background-color: hsla(161, 60%, 46%, 0.20);
    border-color: #1e9e7f;
}

body.dark-mode .alert.alert-error,
body.dark-mode .alert.alert-danger {
    background: hsl(318, 12%, 21%);
    color: inherit;
    border: 1px solid hsl(0, 75%, 65%);
}

body.dark-mode .alert .close {
    color: inherit;
}

body.dark-mode .alert-box .alert,
body.dark-mode .alert.alert-error {
    background: hsl(318, 12%, 21%);
    color: inherit;

    border: 1px solid hsl(0, 75%, 65%);
}

body.dark-mode .alert-box .alert.alert-error::before {
    color: 1px solid hsl(0, 75%, 65%);
}

body.dark-mode .top-messages-logo svg path {
    fill: hsl(214, 27%, 18%);
    stroke: hsl(214, 27%, 18%);
}

body.dark-mode .top-messages-logo svg circle {
    fill: hsl(0, 0%, 100%);
    stroke: hsl(0, 0%, 100%);
}

body.dark-mode #unmute_muted_topic_notification,
body.dark-mode .message_content code,
body.dark-mode .message_edit_content code,
body.dark-mode #settings_page code,
body.dark-mode .typeahead.dropdown-menu {
    background-color: hsl(212, 25%, 15%);
    border-color: hsla(0, 0%, 0%, 0.5);
    color: inherit;
}

body.dark-mode .highlight {
    background-color: hsla(51, 100%, 64%, 0.42);
}

body.dark-mode .highlight_text_inserted {
    color: hsl(122, 100%, 81%);
    background-color: hsla(120, 64%, 95%, 0.3);
}

body.dark-mode .highlight_text_deleted {
    text-decoration: line-through;
    background-color: hsla(7, 54%, 62%, 0.38);
}

body.dark-mode .sub-unsub-message span:before,
body.dark-mode .sub-unsub-message span:after,
body.dark-mode .date_row span:before,
body.dark-mode .date_row span:after {
    opacity: 0.2;
}

body.dark-mode .star:not(.empty-star),
body.dark-mode .empty-star:hover {
    color: hsla(126, 66%, 72%, 0.75);
}

body.dark-mode #out-of-view-notification {
    border: 1px solid 1px solid hsl(144, 45%, 62%);
}

@-moz-document url-prefix() {
    body.dark-mode #settings_page select {
        background-color: hsla(0, 0%, 0%, 0.2);
    }
}