.secuseek-spinner {
    display: inline-block;
    width: 48px;
    height: 48px;
    border: 5px solid #e0e0e0;
    border-top: 5px solid #0073aa;
    border-radius: 50%;
    animation: secuseek-spin 1s linear infinite;
    margin: 0 auto;
}

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