riot-web/res/css/views/right_panel/_RoomSummaryCard.scss

/*
Copyright 2020 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

.mx_RoomSummaryCard {
    // shrink left gutter by 12 and instead add it as margin to all things except the buttons
    // as their hover effect should go into the gutter
    & > * {
        margin-left: 10px;
        margin-right: 10px;
    }
    .mx_AutoHideScrollbar {
        margin-left: 0;
    }

    .mx_BaseCard_header {
        text-align: center;
        margin-top: 20px;

        h2 {
            font-weight: $font-semi-bold;
            font-size: $font-18px;
            margin: 12px 0 4px;
        }

        .mx_RoomSummaryCard_alias {
            font-size: $font-13px;
            color: $secondary-fg-color;
        }

        h2, .mx_RoomSummaryCard_alias {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .mx_RoomSummaryCard_avatar {
            display: inline-flex;

            .mx_RoomSummaryCard_e2ee {
                display: inline-block;
                position: relative;
                width: 54px;
                height: 54px;
                border-radius: 50%;
                background-color: #737D8C; // TODO
                margin-top: -3px; // alignment
                margin-left: -10px; // overlap
                border: 3px solid $dark-panel-bg-color;

                &::before {
                    content: '';
                    position: absolute;
                    top: 13px;
                    left: 13px;
                    height: 28px;
                    width: 28px;
                    mask-size: cover;
                    mask-repeat: no-repeat;
                    mask-position: center;
                    mask-image: url('$(res)/img/e2e/disabled.svg');
                    background-color: #ffffff;
                }
            }

            .mx_RoomSummaryCard_e2ee_secure {
                background-color: #5ABFF2; // TODO
                &::before {
                    mask-image: url('$(res)/img/e2e/normal.svg');
                }
            }
        }
    }

    .mx_RoomSummaryCard_aboutGroup {
        .mx_RoomSummaryCard_Button {
            padding-left: 48px;

            &::before {
                content: '';
                position: absolute;
                top: 8px;
                left: 8px;
                height: 24px;
                width: 24px;
                mask-repeat: no-repeat;
                mask-position: center;
                background-color: $icon-button-color;
            }
        }
    }

    .mx_RoomSummaryCard_appsGroup {
        .mx_RoomSummaryCard_Button {
            padding-left: 10px;
            color: $tertiary-fg-color;

            span {
                color: $primary-fg-color;
            }

            img {
                vertical-align: top;
                margin-right: 18px;
                border-radius: 4px;
            }

            &::before {
                content: unset;
            }
        }

        .mx_RoomSummaryCard_icon_app_pinned::after {
            mask-image: url('$(res)/img/element-icons/room/pin-upright.svg');
            background-color: $accent-color;
            transform: unset;
        }
    }

    .mx_AccessibleButton_kind_link {
        padding: 0;
        margin-top: 12px;
        margin-bottom: 12px;
        font-size: $font-13px;
        font-weight: $font-semi-bold;
    }
}

.mx_RoomSummaryCard_icon_people::before {
    mask-image: url("$(res)/img/element-icons/room/members.svg");
}

.mx_RoomSummaryCard_icon_files::before {
    mask-image: url('$(res)/img/element-icons/room/files.svg');
}

.mx_RoomSummaryCard_icon_share::before {
    mask-image: url('$(res)/img/element-icons/room/share.svg');
}

.mx_RoomSummaryCard_icon_settings::before {
    mask-image: url('$(res)/img/element-icons/settings.svg');
}