.whiteblock {
    box-sizing: border-box;
    min-height: 9.75rem;
    padding: 1.5rem;
    border: 0.125rem dashed #007bff;
    border-radius: 0.3rem;
    background: transparent;
}

.loader {
    border: 6px solid #f3f3f3; /* Light grey */
    border-top: 6px solid #2CA8FF; /* Blue */
    border-radius: 50%;
    width: 80px;
    height: 80px;
    animation: spin 2s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}