body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#121212;color:#fff;line-height:1.6}.container{width:80%;margin:auto;overflow:hidden;padding:20px 0}h1,h2{color:#fff;text-align:center;margin-bottom:20px}#hero{background-color:#1e1e1e;padding:50px 0;text-align:center}#hero h1{font-size:3em;margin-bottom:20px}.cta-button{display:inline-block;padding:20px 40px;background:linear-gradient(to right, #007bff, #00aaff);color:#fff;text-decoration:none;border-radius:10px;font-size:1.5em;margin-top:20px}#designer{padding:50px 0}#designer img{width:100%;max-width:500px;display:block;margin:20px auto}#advantages{background-color:#1e1e1e;padding:50px 0}.advantage{text-align:center;margin-bottom:30px}.advantage img{width:50px;height:50px;margin-bottom:10px}#social{padding:50px 0}.testimonial{margin-bottom:20px;padding:20px;border:1px solid #333;border-radius:5px}#cta{background-color:#1e1e1e;padding:50px 0;text-align:center}#footer{background-color:#000;color:#fff;text-align:center;padding:20px 0}.hero-button{margin-bottom:20px}.similar-button{margin-top:20px}