body{font-family:Arial,sans-serif;margin:0;padding:0;box-sizing:border-box}h1,h2,h3,h4,h5,h6{margin:0}a{text-decoration:none;color:inherit}.container{max-width:1200px;margin:0 auto;padding:20px}.button{padding:10px 15px;border:none;border-radius:5px;cursor:pointer}.primary-button{background-color:#007bff;color:#fff}.secondary-button{background-color:#6c757d;color:#fff}