converse-desktop/resources/css/page-default.css

.page-default {
    width: 100%;
    height: 100%;
}

.chimeverse-branding {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: -1;
}

.chimeverse-branding__img {
    margin-left: 20px;
}

.chimeverse-branding__header {
    font-size: 26px;
    font-weight: normal;
    color: #999;
    margin: 0px;
}

.chimeverse-branding__version {
    font-size: 12px;
    color: #999;
    margin-top: 10px;
}

.update__latest {
    background: #bbb;
    color: #fff;
    border-radius: 3px;
    padding: 3px 5px;
}

.update__available {
    background: rgb(5,93,228);
    background: linear-gradient(0deg, rgba(5,93,228,1) 0%, rgba(76,145,255,1) 100%);
    padding: 3px 5px;
    color: #fff;
    text-decoration: none;
    border-radius: 3px;
}

.update__error {
    color: #da0000;
}