.submit-loading {
    position: fixed;
    background-color: rgba(0, 0, 0, 0.38);
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 11000;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 200px;
}

.submit-loading div {
    width: 70px;
    height: 70px;
    border: 12px solid rgba(255, 255, 255, 0.2);
    border-top-color: #3498db;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}