body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}


h1 {
    text-align: center;
    color: #444;
    margin-top: 20px;
    font-size: 2.5em;
}

h2 {
    text-align: center;
    color: #666;
    font-size: 1.8em;
    margin-top: 10px;
}



nav {
    display: flex;
    justify-content: center;
    background: linear-gradient(90deg, #000000, #2196F3);
    padding: 15px 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 20px;
    font-weight: bold;
    font-size: 1.2em;
    transition: color 0.3s ease, transform 0.3s ease;
}

nav a:hover {
    color: #8e8e8e;
    transform: scale(1.1);
}

nav a:active {
    color: #FF4500;
}

body {
    background-color: rgba(255, 255, 255, 0.9);
    width: 90%;
    max-width: 800px;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.3);
    display: grid;
    place-items: center;
    height: auto;
    margin: auto;
 }