body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    color: #ffffff;
    height: 100%;
}

.background {
    background: url('background.jpg') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    animation: fadeIn 3s ease-in;
    padding: 20px;
    box-sizing: border-box;
}

.content {
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
    border-radius: 10px;
    max-width: 800px;
    width: 100%;
    animation: slideUp 1s ease-out;
}

header h1 {
    font-size: 2.5em;
    margin: 0;
    animation: zoomIn 1.5s ease-out;
}

header h2 {
    font-size: 1.2em;
    margin: 0;
    animation: zoomIn 1.5s ease-out;
}

section {
    margin: 20px 0;
    animation: fadeIn 2s ease-in;
}

footer {
    margin-top: 20px;
    animation: fadeIn 2s ease-in;
}

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

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    header h2 {
        font-size: 1em;
    }

    .content {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5em;
    }

    header h2 {
        font-size: 0.9em;
    }

    .content {
        padding: 10px;
    }

    section {
        margin: 10px 0;
    }

    footer {
        margin-top: 10px;
    }
}