body {   margin: 0;   font-family: Arial, sans-serif;   background: #000;   color: gold;   text-align: center; }  .hero {   padding: 60px 20px;   background: linear-gradient(black, #111); }  .hero h1 {   font-size: 36px;   margin-bottom: 10px; }  .btn {   display: inline-block;   margin-top: 20px;   padding: 15px 25px;   background: gold;   color: black;   text-decoration: none;   font-weight: bold;   border-radius: 30px; }  .info, .gallery {   padding: 40px 20px; }  .images img {   width: 90%;   max-width: 300px;   margin: 10px;   border-radius: 10px; }