.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid rgb(255, 108, 14);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 2s linear infinite;
}

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