.sensu-task-chat-copy-title {
    width: 28px;
    height: 16px;
    flex-shrink: 0;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 250ms linear;
    background: url(/bitrix/js/ui/icon-set/outline/images/copy.svg)
        no-repeat center;
    background-size: 18px 18px;
    border: 0;
    padding: 0;
}

.sensu-task-chat-copy-title:hover {
    opacity: 1;
}