.loader-container {
    width: 100%;
    height: 12rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.loader {
    border: 0.7rem solid white;
    border-radius: 50%;
    border-top: 0.7rem solid #4886FF;
    width: 4rem;
    height: 4rem;
    animation: spin 0.6s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}