.spinner { 
    width: 50px;
    height: 50px;
    border: 5px solid #ccc;
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 2s infinite linear;
}

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

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.row {
    display: flex;
    justify-content: center;
    align-items: center;
}