body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
}

.header {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 15px;
    margin: 10px;
    border: 2px solid #4CAF50;
    border-radius: 10px;
    background-color: #e8f0fe;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.button {
    padding: 10px 20px;
    font-size: 16px;
    text-align: center;
    text-decoration: none;
    color: white;
    background-color: #4CAF50;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.button:hover {
    background-color: #357a38;
}

.content {
    padding: 20px;
    text-align: center;
}

.content h1 {
    color: #333;
}

.content .about {
    font-size: 18px;
    color: #555;
    line-height: 1.6;
    margin: 20px auto;
    max-width: 600px;
    text-align: justify;
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 5px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}