@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    background-color: #f0f0f0;
    background-image: url('https://images.unsplash.com/photo-1518770660439-4636190af475?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.container {
    max-width: 70%;
    margin: 20px auto;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 20px;
    opacity: 0;
    animation: fadeInAnimation ease 3s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards;
}

.nav-title {
    font-size: 30px; /* Erhöhung der Schriftgröße */
    font-weight: 700; /* Optional: Machen Sie den Text fett für zusätzliche Hervorhebung */
    font-family: Verdana;
}

nav.container-fluid {
    background-color: #17a2b8;
    color: #ffffff;
    font-size: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-radius: 20px;
    padding: 10px;
    display: flex;
    justify-content: space-between; /* Änderung für Links-Rechts-Ausrichtung */
    align-items: center; /* Zentriert die Elemente vertikal */
    margin-bottom: 20px;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 10px;
}

nav ul li a {
    background-color: #007bff;
    color: #ffffff;
    padding: 10px 15px;
    border-radius: 10px;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: #0056b3;
}

.top-link {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background-color: #17a2b8;
    color: #ffffff;
    padding: 10px 20px; /* Etwas mehr horizontaler Padding für rechteckige Form */
    border-radius: 10px; /* Runde Ecken für den Button */
    text-decoration: none;
    opacity: 0;
    animation: fadeInAnimation ease 3s 0.5s;
    animation-fill-mode: forwards;
    transition: background-color 0.3s; /* Sanfter Farbwechsel bei Hover */
}

.top-link:hover {
    background-color: #0056b3; /* Dunklere Farbe beim Hover */
}

@keyframes fadeInAnimation {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

form {
    margin-top: 20px;
}

form input, form textarea, form button {
    width: 100%;
    margin-bottom: 10px;
    padding: 8px 0px;
}

form button {
    font-family: 'Roboto', sans-serif;
    font-size: 18px;
    background-color: #17a2b8;
    color: white;
    border: none;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 10px;
}

form button:hover {
    background-color: #0056b3;
}