riot-web/res/css/structures/_UserMenu.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_UserMenu {

    // to make the ... button sort of aligned with the explore button below
    padding-right: 6px;

    .mx_UserMenu_headerButtons {
        width: 16px;
        height: 16px;
        position: relative;
        display: block;

        &::before {
            content: '';
            width: 16px;
            height: 16px;
            position: absolute;
            top: 0;
            left: 0;
            mask-position: center;
            mask-size: contain;
            mask-repeat: no-repeat;
            background: $primary-fg-color;
            mask-image: url('$(res)/img/element-icons/context-menu.svg');
        }
    }

    .mx_UserMenu_row {
        // Create a row-based flexbox to ensure items stay aligned correctly.
        display: flex;
        align-items: center;

        .mx_UserMenu_userAvatarContainer {
            position: relative; // to make default avatars work
            margin-right: 8px;
            height: 32px; // to remove the unknown 4px gap the browser puts below it

            .mx_UserMenu_userAvatar {
                border-radius: 32px; // should match avatar size
                object-fit: cover;
            }
        }

        .mx_UserMenu_userName {
            font-weight: 600;
            font-size: $font-15px;
            line-height: $font-20px;
            flex: 1;

            // Ellipsize any text overflow
            text-overflow: ellipsis;
            overflow: hidden;
            white-space: nowrap;
        }

        .mx_UserMenu_headerButtons {
            // No special styles: the rest of the layout happens to make it work.
        }
    }

    &.mx_UserMenu_minimized {
        .mx_UserMenu_userHeader {
            .mx_UserMenu_row {
                justify-content: center;
            }

            .mx_UserMenu_userAvatarContainer {
                margin-right: 0;
            }
        }
    }
}

.mx_UserMenu_contextMenu {
    width: 247px;

    .mx_UserMenu_contextMenu_redRow {
        .mx_AccessibleButton {
            padding-top: 16px;
            padding-bottom: 16px;
            color: $warning-color !important; // !important to override styles from context menu
        }

        .mx_IconizedContextMenu_icon::before {
            background-color: $warning-color;
        }
    }

    .mx_UserMenu_contextMenu_header {
        padding: 20px;

        // Create a flexbox to organize the header a bit easier
        display: flex;
        align-items: center;

        .mx_UserMenu_contextMenu_name {
            // Create another flexbox of columns to handle large user IDs
            display: flex;
            flex-direction: column;
            width: calc(100% - 40px); // 40px = 32px theme button + 8px margin to theme button

            * {
                // Automatically grow all subelements to fit the container
                flex: 1;
                width: 100%;

                // Ellipsize any text overflow
                text-overflow: ellipsis;
                overflow: hidden;
                white-space: nowrap;
            }

            .mx_UserMenu_contextMenu_displayName {
                font-weight: bold;
                font-size: $font-15px;
                line-height: $font-20px;
            }

            .mx_UserMenu_contextMenu_userId {
                font-size: $font-15px;
                line-height: $font-24px;
            }
        }

        .mx_UserMenu_contextMenu_themeButton {
            min-width: 32px;
            max-width: 32px;
            width: 32px;
            height: 32px;
            margin-left: 8px;
            border-radius: 32px;
            background-color: $theme-button-bg-color;
            cursor: pointer;

            // to make alignment easier, create flexbox for the image
            display: flex;
            align-items: center;
            justify-content: center;
        }
    }

    .mx_IconizedContextMenu_icon {
        width: 16px;
        height: 16px;
        display: block;

        &::before {
            content: '';
            width: 16px;
            height: 16px;
            display: block;
            mask-position: center;
            mask-size: contain;
            mask-repeat: no-repeat;
            background: $primary-fg-color;
        }
    }

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

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

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

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

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

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

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