foris-js/src/bootstrap/Spinner.css

.spinner-wrapper .spinner-border {
    width: 4rem;
    height: 4rem;
    color: #00a2e2;
}

.spinner-fs-background {
    background-color: rgba(2, 2, 2, 0.5);
    color: rgb(230, 230, 230);
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;

    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    /*
     * Set to high value to me sure that it always overlaps all components
     * https://getbootstrap.com/docs/4.3/layout/overview/#z-index
     */
    z-index: 1100;
}

.spinner-fs-wrapper .spinner-border {
    width: 6rem;
    height: 6rem;
}

.spinner-fs-wrapper .spinner-text {
    margin: 1rem;
}

.spinner-border-sm {
    min-width: 16px;
}