* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        sans-serif;
    background: #f0f0f0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
}

.loader {
    width: 40px;
    height: 40px;
    border: 3px solid #ddd;
    border-top-color: #333;
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

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

h1 {
    color: #333;
    font-size: 24px;
    margin-bottom: 10px;
}

p {
    color: #666;
    font-size: 16px;
}