* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1, h2 {
    font-family: 'Arial', sans-serif;
    font-weight: 600;
    text-align: center;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5em;
}

h2 {
    font-size: 1.6em;
    color: #333;
}

p, ul {
    font-size: 1.1em;
    margin-top: 10px;
    color: #555;
}

#impressum {
    margin-top: 20px;
    max-width: 800px;
    width: 100%;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.rule {
    background-color: white;
    border: 1px solid #ddd;
    padding: 20px;
    margin-bottom: 15px;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.3s ease;
    width: 80%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.rule:hover {
    background-color: #f5f5f5;
}

.details {
    display: none;
    margin-top: 10px;
    font-size: 1.1em;
    color: #555;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.details.show {
    display: block;
    opacity: 1;
}

footer {
    text-align: center;
    background-color: #1c1c1c;
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin-top: 40px;
    width: 100%;
}

footer p {
    margin: 0;
}

.navbar {
    width: 100%;
    background-color: #1c1c1c;
    padding: 10px 0;
    text-align: center;
    position: relative;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.navbar ul {
    list-style-type: none;
    display: flex;
    justify-content: center;
    padding-left: 0;
}

.navbar li {
    margin: 0 15px;
}

.navbar a {
    color: white;
    text-decoration: none;
    font-size: 1.2em;
    display: block;
    padding: 10px 15px;
    border-radius: 4px;
    transition: background-color 0.3s, color 0.3s;
}

.navbar a:hover {
    background-color: #ff6f61;
    color: white;
}

.main-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    flex-grow: 1;
    margin-top: 20px;
}

.main-content h1 {
    font-size: 2.5em;
}

.main-content section {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

@media screen and (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }

    .navbar a {
        display: inline-block;
        padding: 10px;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }
}