gototop

    <style>
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 20px;
            min-height: 200vh; /* Damit die Seite scrollbar ist */
        }

        /* Nach oben Button */
        .scroll-to-top {
            position: fixed;
            bottom: 20px;
            left: 20px;
            width: 50px;
            height: 50px;
            background-color: #007bff;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            opacity: 0;
            visibility: hidden;
            z-index: 1000;
        }

        .scroll-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-to-top:hover {
            background-color: #0056b3;
            transform: translateY(-5px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
        }

        /* Pfeil nach oben (CSS) */
        .scroll-to-top::before {
            content: '';
            width: 0;
            height: 0;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            border-bottom: 15px solid white;
        }

        /* Responsive Anpassungen */
        @media (max-width: 768px) {
            .scroll-to-top {
                width: 45px;
                height: 45px;
                bottom: 15px;
                left: 15px;
            }
        }

        @media (max-width: 480px) {
            .scroll-to-top {
                width: 40px;
                height: 40px;
                bottom: 10px;
                left: 10px;
            }
           
            .scroll-to-top::before {
                border-left: 8px solid transparent;
                border-right: 8px solid transparent;
                border-bottom: 12px solid white;
            }
        }

        /* Demo Content */
        .content {
            max-width: 800px;
            margin: 0 auto;
        }

        h1 {
            color: #333;
        }

        p {
            margin-bottom: 20px;
        }
    </style>

    <script>
        // Button Element
        const scrollToTopBtn = document.getElementById('scrollToTopBtn');

        // Button anzeigen/verstecken beim Scrollen
        window.addEventListener('scroll', function() {
            if (window.pageYOffset > 300) {
                scrollToTopBtn.classList.add('visible');
            } else {
                scrollToTopBtn.classList.remove('visible');
            }
        });

        // Smooth Scroll nach oben
        scrollToTopBtn.addEventListener('click', function() {
            window.scrollTo({
                top: 0,
                behavior: 'smooth'
            });
        });
    </script>