.root-placeholder {
    position: absolute;
    width: 100%;
    top: 38%;
    text-align: center;
}

.root-placeholder .root-content {
    font-size: 38px;
    font-weight: bold;
}

.root-placeholder .root-spinner {
    margin-top: 6px;
    font-size: 38px;
    color: gray;
}