.loading_overlay {
    align-items: center;
    background-color: #00000080;
    color: #FFFFFF;
    display: flex;
    height: 100%;
    justify-content: center;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 9999;
}

.spinner {
    animation: spin 2s linear infinite;
    border: 8px solid #F3F3F3;
    border-top: 8px solid #3498DB;
    border-radius: 50%;
    height: 50px;
    width: 50px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}