.toplevel_page_hubchat img {
    position: relative;
    top: -1px;
    width: 20px;
    height: 20px;
}

.hubchat-discussion-settings-notice {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(241, 241, 241, 0.85);
}

.hubchat-discussion-settings-notice__wrapper {
    position: absolute;
    top: 250px;
    left: 50%;
    width: 450px;
    transform: translate(-50%, 0);
    padding: 30px;
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, 0.12);
}
.hubchat-discussion-settings-notice__message {
    margin: 0;
}