:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-color: #ecf0f1;
    --text-color: #2c3e50;
}

body {
    cursor: url('cursor.png'), auto; /* Example custom cursor */
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1s ease-in;
}

header {
    background-color: var(--primary-color);
    padding: 20px;
    color: white;
}

footer {
    background-color: var(--primary-color);
    padding: 10px;
    text-align: center;
}

@media (max-width: 600px) {
    header {
        font-size: 16px;
    }
}