element-web-Github/res/css/views/elements/_CopyableText.pcss

/*
Copyright 2024 New Vector Ltd.
Copyright 2022 Šimon Brandner <simon.bra.ag@gmail.com>
Copyright 2019 New Vector Ltd

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

.mx_CopyableText {
    align-items: flex-start;
    display: flex;
    justify-content: space-between;
    width: max-content;
    max-width: 100%;

    &.mx_CopyableText_border {
        overflow: auto;
        border-radius: 5px;
        border: solid 1px $light-fg-color;
        margin-bottom: 10px;
        margin-top: 10px;
        padding: 10px 0 10px 10px;
    }

    .mx_CopyableText_copyButton {
        flex-shrink: 0;
        /* using em here to adapt to the local font size */
        width: 1em;
        height: 1em;
        cursor: pointer;
        padding-left: 12px;
        padding-right: 10px;
        display: block;
        /* If the copy button is used within a scrollable div, make it stick to the right while scrolling */
        position: sticky;
        right: 0;
        /* center to first line */
        top: 0.15em;
        background-color: $background;

        &::before {
            content: "";
            mask-image: url($copy-button-url);
            mask-position: center center;
            mask-repeat: no-repeat;
            mask-size: contain;
            background-color: $message-action-bar-fg-color;
            width: 1em;
            height: 1em;
            display: block;
            background-repeat: no-repeat;
        }
    }
}