body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

nav {
    background-color: #0077cc; /* blau */
    padding: 15px;
    text-align: center;
}

nav a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #cce7ff; /* hellblau beim hover */
}

.container {
    padding: 30px;
}

h1, h2, h3 {
    color: #0077cc;
}

/* Button Styling */
button {
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    background-color: #0077cc;
    color: white;
    margin-top: 20px;
    border-radius: 5px;
}

button:hover {
    background-color: #005fa3;
}

/* Lightbulb Styling */
#bulb {
    width: 150px;
    display: block;
    margin: 20px auto;
}

/* Thank You Animation */
#thanksBox {
    font-size: 24px;
    font-weight: bold;
    color: #0077cc;
    text-align: center;
    margin-top: 50px;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}