.loader .spinner {
    border: 4px solid #f3f3f3; /* Light grey background */
    border-top: 4px solid #3498db; /* Blue "spinning" part */
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}

.loader.finished {
  display: none;
}

.loader {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
    width: fit-content;
    padding: 1em;
}

.loader.not-started {
    display: none;
}

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