body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f3f3f3;
    font-family: Arial, sans-serif;
}

.container {
    text-align: center;
}

.loader {
    border: 16px solid #f3f3f3; /* Light grey */
    border-top: 16px solid #0057b7; /* Blue */
    border-bottom: 16px solid #ffd700; /* Yellow */
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
    margin: 0 auto 20px;
}

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

h1 {
    color: #333;
    font-size: 24px;
}