.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background: linear-gradient(to right, #00c6ff, #0072ff);
    color: #333;
}

h1, h2, h3 {
    color: #fff;
    text-align: center;
    margin-bottom: 20px;
}

.header {
    padding: 10px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeIn 1s;
}

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

.card {
    background: white;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.footer {
    text-align: center;
    padding: 15px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 5px;
    position: relative;
    animation: fadeIn 1s;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    h1 {
        font-size: 24px;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 20px;
    }
    .card {
        padding: 10px;
    }
}