    body {
        font-family: Arial, sans-serif;
        margin: 0;
        padding: 0;
        background-color: #e4e4e4;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }
    nav {
        position: fixed;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        visibility: hidden;
        opacity: 0;
        transition: visibility 0.3s, opacity 0.3s;
    }
    nav ul {
        list-style-type: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        text-align: center;
    }
    nav ul li {
        margin: 20px 0;
    }
    nav ul li a {
        color: #333;
        text-decoration: none;
        font-size: 24px;
        font-weight: bold;
        transition: color 0.3s;
    }
    nav ul li a:hover {
        color: #ff9800;
    }
    h1 {
        padding-left: 25px;
        padding-right: 25px;
    }
    p {
        padding-left: 25px;
        padding-right: 25px;
    }
    .logo {
        position: absolute;
        top: 20px;
        left: 25px;
        font-size: 30px;
        color: #333;
    }
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 30px;
        height: 30px;
        background-color: transparent;
        border: none;
        cursor: pointer;
        position: absolute;
        top: 20px;
        right: 20px;
        z-index: 1;
    }
    .menu-toggle div {
        width: 30px;
        height: 5px;
        background-color: #333;
        border-radius: 5px;
        transition: transform 0.3s, opacity 0.3s;
    }
    #menu-toggle {
        display: none;
    }
    #menu-toggle:checked + .menu-toggle + nav {
        visibility: visible;
        opacity: 1;
    }
    #menu-toggle:checked + .menu-toggle div:nth-child(1) {
        transform: rotate(45deg);
        position: absolute;
        top: 0;
        left: 0;
        background-color: white;
    }
    #menu-toggle:checked + .menu-toggle div:nth-child(2) {
        opacity: 0;
    }
    #menu-toggle:checked + .menu-toggle div:nth-child(3) {
        transform: rotate(-45deg);
        position: absolute;
        top: 0;
        left: 0;
        background-color: white;
    }
    .horizontaleLinie {
        width: calc(100% - 40px);
        height: 3px;
        background-image: url('blaueLinie.jpeg');
        background-repeat: repeat-x; 
        margin-top: 65px;
        margin-left: 25px;
        margin-right: 25px;
    }
    footer {
        background-color: transparent;
        color: black;
        text-align: center;
        padding: 10px 0;
        position: relative;
        margin-top: auto;
        margin-left: 25px;
        margin-right: 25px;
        display: flex;
        justify-content: space-around;
        align-items: center;
        font-size: 14px;
        /**** line *****/
        background-image: url('blaueLinie.jpeg');
        background-repeat: repeat-x; /* Repeat the image horizontally */
        background-position: top center; /* Position the image at the top center */
        background-size: 100% 3px;
    }
    footer .footer-menu {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
    }
    footer .footer-menu li {
        margin: 0 15px;
    }
    footer .footer-menu li a {
        color: black;
        text-decoration: none;
        transition: color 0.3s;
    }
    footer .footer-menu li a:hover {
        color: #ff9800;
    }
    @media (max-width: 768px) {
        nav ul {
            flex-direction: column;
        }
        nav {
            background-color: #333;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            padding-left: 0px;
        }
        nav ul li {
            margin: 20px 0;
        }
        nav ul li a {
            font-size: 32px;
            color: #e4e4e4;
        }
        .menu-toggle {
            top: 20px;
            right: 20px;
        }
        footer {
            flex-direction: column;
            text-align: center;
        }
    }
    @media (min-width: 769px) {
        nav {
            visibility: visible;
            opacity: 1;
            flex-direction: row;
            justify-content: center;
            height: auto;
            margin-top: 25px;
            padding-left: 80px;
        }
        .menu-toggle {
            display: none;
        }
        nav ul {
            flex-direction: row;
        }
        nav ul li {
            margin: 0 20px;
        }
        nav ul li a {
            font-size: 18px;
        }
    }
    .SeitenEInstieg {
        margin-top: 60px;
    }

