UNIT3D-Community-Edition/resources/sass/components/_loading-spinner.scss

.loading__spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 300px;
    width: 100%;
}

.spinner__dots {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
}

.spinner__dots .dot {
    width: 12px;
    height: 12px;
    margin: 0 6px;
    border-radius: 50%;
    background-color: #65a6c2;
    display: inline-block;
    animation: pulse 1.5s infinite ease-in-out;
}

.spinner__dots .dot:nth-child(2) {
    animation-delay: 0.2s;
}

.spinner__dots .dot:nth-child(3) {
    animation-delay: 0.4s;
}

.spinner__dots .dot:nth-child(4) {
    animation-delay: 0.6s;
}

.spinner__dots .dot:nth-child(5) {
    animation-delay: 0.8s;
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(0.4);
        opacity: 0.4;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
}

.spinner__text {
    font-size: 16px;
    color: #65a6c2;
    font-weight: 500;
}