zulip/static/styles/recent_topics.css

.recent_topics_container {
    padding: 0;
    border-radius: 4px;
    background-color: hsl(0, 0%, 100%);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 100vh;

    #recent_topics_table {
        max-width: 100%;
        padding-top: 12px;
        overflow: hidden !important;
        display: flex;
        flex-direction: column;
        border-style: solid;
        border-color: hsl(0, 0%, 88%);
        border-width: 0 1px;
        border-radius: 0;
        margin-top: 40px;

        td {
            vertical-align: middle;
            padding: 3px 8px 3px 8px;
        }

        .recent_topics_focusable {
            display: inline-block;

            & > * {
                outline: 0;
            }

            &:focus-within {
                /* Use the same color as the message feed pointer */
                box-shadow: 0 3px 0 hsl(215, 47%, 50%);
            }
        }

        a {
            color: hsl(205, 47%, 42%);
            text-decoration: none;
            &:hover {
                color: hsl(214, 40%, 58%);
            }
        }

        .required-text:empty::after {
            content: attr(data-empty);
            display: block;
            font-style: italic;
            color: hsl(0, 0%, 67%);
        }

        .fa-check-square-o,
        .fa-square-o {
            padding: 0 2px 0 2px;
        }

        .fa-lock {
            padding-right: 3px;
        }

        .table_fix_head {
            padding: 0 !important;
            /* 100px = space occupied by `recent_topics_filter_buttons`( ~49px)
                     + give user some extra space at the bottom so that last
                       topic row is clearly visible. */
            max-height: calc(100vh - 100px);
        }

        .table_fix_head table {
            /* To keep border properties to the thead th. */
            border-collapse: separate;
        }

        #recent_topics_filter_buttons {
            margin: 0 10px 0 10px;
            display: flex;
            /* Search box has no height without this in safari. */
            flex: 0 0 auto;
            flex-wrap: wrap;
            justify-content: flex-start;
        }

        .search_group {
            display: flex;
            flex-grow: 1;
            margin: 0 0 10px 0;
        }

        #recent_topics_search {
            flex-grow: 1;
        }

        .clear_search_button {
            /* Overrides app_components.css property. */
            padding-top: 6px !important;
        }

        #recent_topics_search_clear {
            margin-top: -10px !important;
        }

        .btn-recent-filters {
            border-radius: 40px;
            margin: 0 5px 10px 0;

            &:focus {
                background-color: hsl(0, 0%, 80%);
                outline: 0;
            }
        }

        .btn-recent-selected {
            background-color: hsl(0, 11%, 93%);
        }

        .recent_topic_unread_count {
            background-color: hsl(105, 2%, 50%) !important;
            color: hsl(0, 0%, 100%);
            height: 16px;
            line-height: 16px;
            font-size: 12px;
            font-weight: 400;
            letter-spacing: 0.6px;
            border-radius: 4px;
            padding: 0 4px;
            margin-right: 10px;
            align-self: center;
        }

        .flex_container {
            display: flex;
            align-items: center;
        }

        .flex_container .left_part {
            flex-wrap: wrap;
        }

        .flex_container .right_part {
            margin-left: auto;
            display: inline-flex;
        }

        .recent_topic_actions {
            display: flex;
            flex-flow: row nowrap;
        }

        .recent_avatars {
            display: inline-flex; /* Causes LI items to display in row. */
            list-style-type: none;
            margin: auto; /* Centers vertically / horizontally in flex container. */
            height: 24px;
            padding: 4px;
            border-radius: 6px;
            overflow: hidden;

            /*
                By using the row-reverse layout, the visual ordering will be opposite of
                the DOM ordering. This will allows us to stack the items in the opposite
                direction of the natural stacking order without having to mess with the
                zIndex value. The MAJOR DOWNSIDE is that the HTML itself now reads
                backwards, which super janky.
            */
            flex-direction: row-reverse;
        }

        .recent_avatars_item {
            height: 24px;
            margin: 0;
            padding: 0 1.5px 0 1.5px;
            position: relative;
            min-width: 24px;
        }

        .recent_avatars_img,
        .recent_avatars_others {
            border: 0;
            border-radius: 6px;
            color: hsl(0, 0%, 100%);
            display: block;
            height: 24px;
            text-align: center;
            background-color: hsl(0, 0%, 88%);
        }

        .recent_avatars_others {
            color: hsl(0, 0%, 0%);
            line-height: 24px;
        }

        tr {
            background-color: hsl(100, 11%, 96%);

            &:hover {
                background-color: hsl(210, 100%, 97%);
            }
        }

        .unread_topic {
            background-color: hsl(0, 0%, 100%);
        }

        .last_msg_time {
            float: left;
            margin-right: 5px;
        }

        thead th {
            background-color: hsl(0, 0%, 100%);
            color: inherit;
            border-top: 1px solid hsla(0, 0%, 0%, 0.2) !important;
            border-bottom: 1px solid hsla(0, 0%, 0%, 0.2) !important;
            position: sticky;
            top: 0;
            z-index: 1;

            &.active::after,
            &[data-sort]:hover::after {
                content: " \f0d8";
                white-space: pre;
                display: inline-block;
                position: absolute;
                padding-top: 3px;
                font: normal normal normal 12px/1 FontAwesome;
                font-size: inherit;
            }

            &.active {
                opacity: 1;
                transition: opacity 100ms ease-out;

                &.descend::after {
                    content: " \f0d7";
                }
            }

            &[data-sort]:hover {
                cursor: pointer;
                background-color: hsla(0, 0%, 95%);
                transition: background-color 100ms ease-in-out;

                &:not(.active)::after {
                    opacity: 0.3;
                }
            }
        }

        /* These fixed column widths prevent column widths from being adjusted
           as new messages arrive from the server. */
        .recent_topic_stream {
            width: 25%;
            padding: 8px 8px;
        }

        .recent_topic_name {
            width: 40%;
        }

        .recent_topic_users {
            width: 20%;
        }

        .recent_topic_timestamp {
            width: 15%;
        }

        @media (width < $md_min) {
            /* Hide participants and last message time
               on smaller screens. This ensures user always
               has a nice UI experience. */
            .recent_topic_users,
            .recent_topic_timestamp,
            thead .participants_header,
            thead .last_msg_time_header {
                display: none;
            }
        }
    }
}

#recent_topics_view {
    display: none;
    position: relative;
}