zulip/static/styles/recent_topics.scss

.recent_topics_container {
    position: relative;
    height: 95%;
    width: 70%;
    max-width: 1200px;
    max-height: 1000px;
    padding: 0px;
    border-radius: 4px;
    background-color: hsl(0, 0%, 100%);
    overflow: hidden;
    display: flex;
    flex-direction: column;

    @media (max-width: 1130px) {
        max-width: 90%;
    }

    @media (max-width: 700px) {
        height: 95%;
        max-width: none;
        width: 90%;
    }

    .recent_topics_header {
        padding-top: 4px;
        padding-bottom: 8px;
        text-align: center;
        border-bottom: 1px solid hsl(0, 0%, 87%);

        h1 {
            margin: 0;
            font-size: 1.1em;
            text-transform: uppercase;
        }

        .exit {
            font-weight: 400;
            position: absolute;
            top: 10px;
            right: 10px;
            color: hsl(0, 0%, 67%);
            cursor: pointer;

            .exit-sign {
                position: relative;
                top: 3px;
                margin-left: 3px;
                font-size: 1.5rem;
                font-weight: 600;
                cursor: pointer;
            }
        }
    }

    .recent_topics_table {
        margin: 0px;
        padding: 15px;
        overflow: hidden !important;
        display: flex;
        flex-direction: column;

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

        .recent_topics_focusable {
            display: inline-block;

            & > * {
                outline: 0px;
            }

            &: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: 10px;
            padding-top: 0px !important;
            overflow-y: auto;
            max-height: 100%;
        }

        .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;
            flex-wrap: wrap;
            justify-content: flex-start;
        }

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

        #recent_topics_search {
            flex-grow: 1;
        }

        .clear_search_button {
            // Overrides app_components.scss property.
            padding-top: 6px !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: .6px;
            border-radius: 4px;
            background-color: hsl(0, 0%, 89%);
            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: 1000;

            &.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;
                }
            }
        }

        .recent_topic_stream,
        thead .last_msg_time_header {
            white-space: nowrap;
        }

        @media (max-width: 750px) {
            // 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;
            }
            table td {
                line-height: 2em;
            }
        }
    }
}